78826748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19687}}^1$

素因数の和:19722

約数の個数: 48

約数和(自身を含む): 185224704

約数和(自身を除く): 106397956

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 19687, 39374, 78748, 137809, 216557, 255931, 275618, 433114, 511862, 551236, 866228, 1023724, 1515899, 1791517, 2815241, 3031798, 3583034, 5630482, 6063596, 7166068, 11260964, 19706687, 39413374, 78826748]

約数ペア:

[(1, 78826748), (2, 39413374), (4, 19706687), (7, 11260964), (11, 7166068), (13, 6063596), (14, 5630482), (22, 3583034), (26, 3031798), (28, 2815241), (44, 1791517), (52, 1515899), (77, 1023724), (91, 866228), (143, 551236), (154, 511862), (182, 433114), (286, 275618), (308, 255931), (364, 216557), (572, 137809), (1001, 78748), (2002, 39374), (4004, 19687)]