208142766

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{1291}}^1$

素因数の和:1378

約数の個数: 72

約数和(自身を含む): 497934216

約数和(自身を除く): 289791450

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 169, 234, 318, 338, 477, 507, 689, 954, 1014, 1291, 1378, 1521, 2067, 2582, 3042, 3873, 4134, 6201, 7746, 8957, 11619, 12402, 16783, 17914, 23238, 26871, 33566, 50349, 53742, 68423, 80613, 100698, 136846, 151047, 161226, 205269, 218179, 302094, 410538, 436358, 615807, 654537, 889499, 1231614, 1309074, 1778998, 1963611, 2668497, 3927222, 5336994, 8005491, 11563487, 16010982, 23126974, 34690461, 69380922, 104071383, 208142766]

約数ペア:

[(1, 208142766), (2, 104071383), (3, 69380922), (6, 34690461), (9, 23126974), (13, 16010982), (18, 11563487), (26, 8005491), (39, 5336994), (53, 3927222), (78, 2668497), (106, 1963611), (117, 1778998), (159, 1309074), (169, 1231614), (234, 889499), (318, 654537), (338, 615807), (477, 436358), (507, 410538), (689, 302094), (954, 218179), (1014, 205269), (1291, 161226), (1378, 151047), (1521, 136846), (2067, 100698), (2582, 80613), (3042, 68423), (3873, 53742), (4134, 50349), (6201, 33566), (7746, 26871), (8957, 23238), (11619, 17914), (12402, 16783)]