64753975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 96243840

約数和(自身を除く): 31489865

約数列:

[1, 5, 11, 13, 25, 55, 59, 65, 143, 275, 295, 307, 325, 649, 715, 767, 1475, 1535, 3245, 3377, 3575, 3835, 3991, 7675, 8437, 16225, 16885, 18113, 19175, 19955, 42185, 43901, 84425, 90565, 99775, 199243, 210925, 219505, 235469, 452825, 996215, 1097525, 1177345, 2590159, 4981075, 5886725, 12950795, 64753975]

約数ペア:

[(1, 64753975), (5, 12950795), (11, 5886725), (13, 4981075), (25, 2590159), (55, 1177345), (59, 1097525), (65, 996215), (143, 452825), (275, 235469), (295, 219505), (307, 210925), (325, 199243), (649, 99775), (715, 90565), (767, 84425), (1475, 43901), (1535, 42185), (3245, 19955), (3377, 19175), (3575, 18113), (3835, 16885), (3991, 16225), (7675, 8437)]