212811156

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4651}}^1$

素因数の和:4733

約数の個数: 72

約数和(自身を含む): 568958208

約数和(自身を除く): 356147052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 41, 62, 82, 93, 123, 124, 164, 186, 246, 279, 369, 372, 492, 558, 738, 1116, 1271, 1476, 2542, 3813, 4651, 5084, 7626, 9302, 11439, 13953, 15252, 18604, 22878, 27906, 41859, 45756, 55812, 83718, 144181, 167436, 190691, 288362, 381382, 432543, 572073, 576724, 762764, 865086, 1144146, 1297629, 1716219, 1730172, 2288292, 2595258, 3432438, 5190516, 5911421, 6864876, 11822842, 17734263, 23645684, 35468526, 53202789, 70937052, 106405578, 212811156]

約数ペア:

[(1, 212811156), (2, 106405578), (3, 70937052), (4, 53202789), (6, 35468526), (9, 23645684), (12, 17734263), (18, 11822842), (31, 6864876), (36, 5911421), (41, 5190516), (62, 3432438), (82, 2595258), (93, 2288292), (123, 1730172), (124, 1716219), (164, 1297629), (186, 1144146), (246, 865086), (279, 762764), (369, 576724), (372, 572073), (492, 432543), (558, 381382), (738, 288362), (1116, 190691), (1271, 167436), (1476, 144181), (2542, 83718), (3813, 55812), (4651, 45756), (5084, 41859), (7626, 27906), (9302, 22878), (11439, 18604), (13953, 15252)]