728234403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 1092026880

約数和(自身を除く): 363792477

約数列:

[1, 3, 13, 39, 47, 79, 107, 141, 237, 321, 611, 1027, 1391, 1833, 2209, 3081, 3713, 4173, 5029, 6627, 8453, 11139, 15087, 25359, 28717, 48269, 65377, 86151, 109889, 144807, 174511, 196131, 236363, 329667, 397291, 523533, 709089, 1191873, 2268643, 3072719, 5164783, 6805929, 9218157, 15494349, 18672677, 56018031, 242744801, 728234403]

約数ペア:

[(1, 728234403), (3, 242744801), (13, 56018031), (39, 18672677), (47, 15494349), (79, 9218157), (107, 6805929), (141, 5164783), (237, 3072719), (321, 2268643), (611, 1191873), (1027, 709089), (1391, 523533), (1833, 397291), (2209, 329667), (3081, 236363), (3713, 196131), (4173, 174511), (5029, 144807), (6627, 109889), (8453, 86151), (11139, 65377), (15087, 48269), (25359, 28717)]