72222668

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:511

約数の個数: 72

約数和(自身を含む): 157927392

約数和(自身を除く): 85704724

約数列:

[1, 2, 4, 7, 14, 23, 28, 37, 46, 49, 74, 92, 98, 148, 161, 196, 259, 322, 433, 518, 644, 851, 866, 1036, 1127, 1702, 1732, 1813, 2254, 3031, 3404, 3626, 4508, 5957, 6062, 7252, 9959, 11914, 12124, 16021, 19918, 21217, 23828, 32042, 39836, 41699, 42434, 64084, 69713, 83398, 84868, 112147, 139426, 166796, 224294, 278852, 368483, 448588, 487991, 736966, 785029, 975982, 1473932, 1570058, 1951964, 2579381, 3140116, 5158762, 10317524, 18055667, 36111334, 72222668]

約数ペア:

[(1, 72222668), (2, 36111334), (4, 18055667), (7, 10317524), (14, 5158762), (23, 3140116), (28, 2579381), (37, 1951964), (46, 1570058), (49, 1473932), (74, 975982), (92, 785029), (98, 736966), (148, 487991), (161, 448588), (196, 368483), (259, 278852), (322, 224294), (433, 166796), (518, 139426), (644, 112147), (851, 84868), (866, 83398), (1036, 69713), (1127, 64084), (1702, 42434), (1732, 41699), (1813, 39836), (2254, 32042), (3031, 23828), (3404, 21217), (3626, 19918), (4508, 16021), (5957, 12124), (6062, 11914), (7252, 9959)]