245280797996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1\times {\mathrm{440959}}^1$

素因数の和:441558

約数の個数: 48

約数和(自身を含む): 487454822400

約数和(自身を除く): 242174024404

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 563, 988, 1126, 2252, 7319, 10697, 14638, 21394, 29276, 42788, 139061, 278122, 440959, 556244, 881918, 1763836, 5732467, 8378221, 11464934, 16756442, 22929868, 33512884, 108916873, 217833746, 248259917, 435667492, 496519834, 993039668, 3227378921, 4716938423, 6454757842, 9433876846, 12909515684, 18867753692, 61320199499, 122640398998, 245280797996]

約数ペア:

[(1, 245280797996), (2, 122640398998), (4, 61320199499), (13, 18867753692), (19, 12909515684), (26, 9433876846), (38, 6454757842), (52, 4716938423), (76, 3227378921), (247, 993039668), (494, 496519834), (563, 435667492), (988, 248259917), (1126, 217833746), (2252, 108916873), (7319, 33512884), (10697, 22929868), (14638, 16756442), (21394, 11464934), (29276, 8378221), (42788, 5732467), (139061, 1763836), (278122, 881918), (440959, 556244)]