127646778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:212

約数の個数: 128

約数和(自身を含む): 327352320

約数和(自身を除く): 199705542

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 62, 73, 79, 93, 102, 119, 146, 158, 186, 217, 219, 237, 238, 357, 434, 438, 474, 511, 527, 553, 651, 714, 1022, 1054, 1106, 1241, 1302, 1343, 1533, 1581, 1659, 2263, 2449, 2482, 2686, 3066, 3162, 3318, 3689, 3723, 4029, 4526, 4898, 5767, 6789, 7347, 7378, 7446, 8058, 8687, 9401, 11067, 11534, 13578, 14694, 15841, 17143, 17301, 17374, 18802, 22134, 26061, 28203, 31682, 34286, 34602, 38471, 40369, 41633, 47523, 51429, 52122, 56406, 76942, 80738, 83266, 95046, 98039, 102858, 115413, 121107, 124899, 178777, 196078, 230826, 242214, 249798, 269297, 291431, 294117, 357554, 536331, 538594, 582862, 588234, 686273, 807891, 874293, 1072662, 1251439, 1372546, 1615782, 1748586, 2058819, 2502878, 3039209, 3754317, 4117638, 6078418, 7508634, 9117627, 18235254, 21274463, 42548926, 63823389, 127646778]

約数ペア:

[(1, 127646778), (2, 63823389), (3, 42548926), (6, 21274463), (7, 18235254), (14, 9117627), (17, 7508634), (21, 6078418), (31, 4117638), (34, 3754317), (42, 3039209), (51, 2502878), (62, 2058819), (73, 1748586), (79, 1615782), (93, 1372546), (102, 1251439), (119, 1072662), (146, 874293), (158, 807891), (186, 686273), (217, 588234), (219, 582862), (237, 538594), (238, 536331), (357, 357554), (434, 294117), (438, 291431), (474, 269297), (511, 249798), (527, 242214), (553, 230826), (651, 196078), (714, 178777), (1022, 124899), (1054, 121107), (1106, 115413), (1241, 102858), (1302, 98039), (1343, 95046), (1533, 83266), (1581, 80738), (1659, 76942), (2263, 56406), (2449, 52122), (2482, 51429), (2686, 47523), (3066, 41633), (3162, 40369), (3318, 38471), (3689, 34602), (3723, 34286), (4029, 31682), (4526, 28203), (4898, 26061), (5767, 22134), (6789, 18802), (7347, 17374), (7378, 17301), (7446, 17143), (8058, 15841), (8687, 14694), (9401, 13578), (11067, 11534)]