31407145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 49166208

約数和(自身を除く): 17759063

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 97, 145, 203, 319, 385, 485, 679, 841, 1015, 1067, 1595, 2233, 2813, 3395, 4205, 5335, 5887, 7469, 9251, 11165, 14065, 19691, 29435, 30943, 37345, 46255, 64757, 81577, 98455, 154715, 216601, 323785, 407885, 571039, 897347, 1083005, 2855195, 4486735, 6281429, 31407145]

約数ペア:

[(1, 31407145), (5, 6281429), (7, 4486735), (11, 2855195), (29, 1083005), (35, 897347), (55, 571039), (77, 407885), (97, 323785), (145, 216601), (203, 154715), (319, 98455), (385, 81577), (485, 64757), (679, 46255), (841, 37345), (1015, 30943), (1067, 29435), (1595, 19691), (2233, 14065), (2813, 11165), (3395, 9251), (4205, 7469), (5335, 5887)]