678487986

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^2$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 1804926240

約数和(自身を除く): 1126438254

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 19, 22, 33, 34, 38, 51, 57, 66, 99, 102, 103, 114, 153, 171, 187, 198, 206, 209, 306, 309, 323, 342, 374, 418, 561, 618, 627, 646, 927, 969, 1122, 1133, 1254, 1683, 1751, 1854, 1881, 1938, 1957, 2266, 2907, 3366, 3399, 3502, 3553, 3762, 3914, 5253, 5814, 5871, 6798, 7106, 10197, 10506, 10609, 10659, 11742, 15759, 17613, 19261, 20394, 21218, 21318, 21527, 31518, 31827, 31977, 33269, 35226, 38522, 43054, 57783, 63654, 63954, 64581, 66538, 95481, 99807, 115566, 116699, 129162, 173349, 180353, 190962, 193743, 199614, 201571, 233398, 299421, 346698, 350097, 360706, 365959, 387486, 403142, 541059, 598842, 604713, 700194, 731918, 1050291, 1082118, 1097877, 1209426, 1623177, 1814139, 1983883, 2100582, 2195754, 2217281, 3246354, 3293631, 3426707, 3628278, 3967766, 4434562, 5951649, 6587262, 6651843, 6853414, 10280121, 11903298, 13303686, 17854947, 19955529, 20560242, 30840363, 35709894, 37693777, 39911058, 61680726, 75387554, 113081331, 226162662, 339243993, 678487986]

約数ペア:

[(1, 678487986), (2, 339243993), (3, 226162662), (6, 113081331), (9, 75387554), (11, 61680726), (17, 39911058), (18, 37693777), (19, 35709894), (22, 30840363), (33, 20560242), (34, 19955529), (38, 17854947), (51, 13303686), (57, 11903298), (66, 10280121), (99, 6853414), (102, 6651843), (103, 6587262), (114, 5951649), (153, 4434562), (171, 3967766), (187, 3628278), (198, 3426707), (206, 3293631), (209, 3246354), (306, 2217281), (309, 2195754), (323, 2100582), (342, 1983883), (374, 1814139), (418, 1623177), (561, 1209426), (618, 1097877), (627, 1082118), (646, 1050291), (927, 731918), (969, 700194), (1122, 604713), (1133, 598842), (1254, 541059), (1683, 403142), (1751, 387486), (1854, 365959), (1881, 360706), (1938, 350097), (1957, 346698), (2266, 299421), (2907, 233398), (3366, 201571), (3399, 199614), (3502, 193743), (3553, 190962), (3762, 180353), (3914, 173349), (5253, 129162), (5814, 116699), (5871, 115566), (6798, 99807), (7106, 95481), (10197, 66538), (10506, 64581), (10609, 63954), (10659, 63654), (11742, 57783), (15759, 43054), (17613, 38522), (19261, 35226), (20394, 33269), (21218, 31977), (21318, 31827), (21527, 31518)]