217319796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 615247360

約数和(自身を除く): 397927564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 37, 38, 57, 62, 74, 76, 93, 111, 114, 124, 148, 171, 186, 222, 228, 277, 279, 333, 342, 372, 444, 554, 558, 589, 666, 684, 703, 831, 1108, 1116, 1147, 1178, 1332, 1406, 1662, 1767, 2109, 2294, 2356, 2493, 2812, 3324, 3441, 3534, 4218, 4588, 4986, 5263, 5301, 6327, 6882, 7068, 8436, 8587, 9972, 10249, 10323, 10526, 10602, 12654, 13764, 15789, 17174, 20498, 20646, 21052, 21204, 21793, 25308, 25761, 30747, 31578, 34348, 40996, 41292, 43586, 47367, 51522, 61494, 63156, 65379, 77283, 87172, 92241, 94734, 103044, 122988, 130758, 154566, 163153, 184482, 189468, 194731, 196137, 261516, 309132, 317719, 326306, 368964, 389462, 392274, 489459, 584193, 635438, 652612, 778924, 784548, 953157, 978918, 1168386, 1270876, 1468377, 1752579, 1906314, 1957836, 2336772, 2859471, 2936754, 3505158, 3812628, 5718942, 5873508, 6036661, 7010316, 11437884, 12073322, 18109983, 24146644, 36219966, 54329949, 72439932, 108659898, 217319796]

約数ペア:

[(1, 217319796), (2, 108659898), (3, 72439932), (4, 54329949), (6, 36219966), (9, 24146644), (12, 18109983), (18, 12073322), (19, 11437884), (31, 7010316), (36, 6036661), (37, 5873508), (38, 5718942), (57, 3812628), (62, 3505158), (74, 2936754), (76, 2859471), (93, 2336772), (111, 1957836), (114, 1906314), (124, 1752579), (148, 1468377), (171, 1270876), (186, 1168386), (222, 978918), (228, 953157), (277, 784548), (279, 778924), (333, 652612), (342, 635438), (372, 584193), (444, 489459), (554, 392274), (558, 389462), (589, 368964), (666, 326306), (684, 317719), (703, 309132), (831, 261516), (1108, 196137), (1116, 194731), (1147, 189468), (1178, 184482), (1332, 163153), (1406, 154566), (1662, 130758), (1767, 122988), (2109, 103044), (2294, 94734), (2356, 92241), (2493, 87172), (2812, 77283), (3324, 65379), (3441, 63156), (3534, 61494), (4218, 51522), (4588, 47367), (4986, 43586), (5263, 41292), (5301, 40996), (6327, 34348), (6882, 31578), (7068, 30747), (8436, 25761), (8587, 25308), (9972, 21793), (10249, 21204), (10323, 21052), (10526, 20646), (10602, 20498), (12654, 17174), (13764, 15789)]