31450302

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 76446720

約数和(自身を除く): 44996418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 71, 78, 117, 142, 213, 234, 351, 426, 631, 639, 702, 923, 1262, 1278, 1846, 1893, 1917, 2769, 3786, 3834, 5538, 5679, 8203, 8307, 11358, 16406, 16614, 17037, 24609, 24921, 34074, 44801, 49218, 49842, 73827, 89602, 134403, 147654, 221481, 268806, 403209, 442962, 582413, 806418, 1164826, 1209627, 1747239, 2419254, 3494478, 5241717, 10483434, 15725151, 31450302]

約数ペア:

[(1, 31450302), (2, 15725151), (3, 10483434), (6, 5241717), (9, 3494478), (13, 2419254), (18, 1747239), (26, 1209627), (27, 1164826), (39, 806418), (54, 582413), (71, 442962), (78, 403209), (117, 268806), (142, 221481), (213, 147654), (234, 134403), (351, 89602), (426, 73827), (631, 49842), (639, 49218), (702, 44801), (923, 34074), (1262, 24921), (1278, 24609), (1846, 17037), (1893, 16614), (1917, 16406), (2769, 11358), (3786, 8307), (3834, 8203), (5538, 5679)]