31259228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 96

約数和(自身を含む): 75790848

約数和(自身を除く): 44531620

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 37, 44, 52, 74, 77, 91, 143, 148, 154, 182, 211, 259, 286, 308, 364, 407, 422, 481, 518, 572, 814, 844, 962, 1001, 1036, 1477, 1628, 1924, 2002, 2321, 2743, 2849, 2954, 3367, 4004, 4642, 5291, 5486, 5698, 5908, 6734, 7807, 9284, 10582, 10972, 11396, 13468, 15614, 16247, 19201, 21164, 30173, 31228, 32494, 37037, 38402, 54649, 60346, 64988, 74074, 76804, 85877, 101491, 109298, 120692, 148148, 171754, 202982, 211211, 218596, 343508, 405964, 422422, 601139, 710437, 844844, 1116401, 1202278, 1420874, 2232802, 2404556, 2841748, 4465604, 7814807, 15629614, 31259228]

約数ペア:

[(1, 31259228), (2, 15629614), (4, 7814807), (7, 4465604), (11, 2841748), (13, 2404556), (14, 2232802), (22, 1420874), (26, 1202278), (28, 1116401), (37, 844844), (44, 710437), (52, 601139), (74, 422422), (77, 405964), (91, 343508), (143, 218596), (148, 211211), (154, 202982), (182, 171754), (211, 148148), (259, 120692), (286, 109298), (308, 101491), (364, 85877), (407, 76804), (422, 74074), (481, 64988), (518, 60346), (572, 54649), (814, 38402), (844, 37037), (962, 32494), (1001, 31228), (1036, 30173), (1477, 21164), (1628, 19201), (1924, 16247), (2002, 15614), (2321, 13468), (2743, 11396), (2849, 10972), (2954, 10582), (3367, 9284), (4004, 7807), (4642, 6734), (5291, 5908), (5486, 5698)]