28995642

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 73945872

約数和(自身を除く): 44950230

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 37, 39, 51, 74, 78, 102, 111, 117, 153, 197, 221, 222, 234, 306, 333, 394, 442, 481, 591, 629, 663, 666, 962, 1182, 1258, 1326, 1443, 1773, 1887, 1989, 2561, 2886, 3349, 3546, 3774, 3978, 4329, 5122, 5661, 6698, 7289, 7683, 8177, 8658, 10047, 11322, 14578, 15366, 16354, 20094, 21867, 23049, 24531, 30141, 43537, 43734, 46098, 49062, 60282, 65601, 73593, 87074, 94757, 123913, 130611, 131202, 147186, 189514, 247826, 261222, 284271, 371739, 391833, 568542, 743478, 783666, 852813, 1115217, 1610869, 1705626, 2230434, 3221738, 4832607, 9665214, 14497821, 28995642]

約数ペア:

[(1, 28995642), (2, 14497821), (3, 9665214), (6, 4832607), (9, 3221738), (13, 2230434), (17, 1705626), (18, 1610869), (26, 1115217), (34, 852813), (37, 783666), (39, 743478), (51, 568542), (74, 391833), (78, 371739), (102, 284271), (111, 261222), (117, 247826), (153, 189514), (197, 147186), (221, 131202), (222, 130611), (234, 123913), (306, 94757), (333, 87074), (394, 73593), (442, 65601), (481, 60282), (591, 49062), (629, 46098), (663, 43734), (666, 43537), (962, 30141), (1182, 24531), (1258, 23049), (1326, 21867), (1443, 20094), (1773, 16354), (1887, 15366), (1989, 14578), (2561, 11322), (2886, 10047), (3349, 8658), (3546, 8177), (3774, 7683), (3978, 7289), (4329, 6698), (5122, 5661)]