77218375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 113742720

約数和(自身を除く): 36524345

約数列:

[1, 5, 13, 19, 25, 41, 61, 65, 95, 125, 205, 247, 305, 325, 475, 533, 779, 793, 1025, 1159, 1235, 1525, 1625, 2375, 2501, 2665, 3895, 3965, 5125, 5795, 6175, 7625, 10127, 12505, 13325, 15067, 19475, 19825, 28975, 30875, 32513, 47519, 50635, 62525, 66625, 75335, 97375, 99125, 144875, 162565, 237595, 253175, 312625, 376675, 617747, 812825, 1187975, 1265875, 1883375, 3088735, 4064125, 5939875, 15443675, 77218375]

約数ペア:

[(1, 77218375), (5, 15443675), (13, 5939875), (19, 4064125), (25, 3088735), (41, 1883375), (61, 1265875), (65, 1187975), (95, 812825), (125, 617747), (205, 376675), (247, 312625), (305, 253175), (325, 237595), (475, 162565), (533, 144875), (779, 99125), (793, 97375), (1025, 75335), (1159, 66625), (1235, 62525), (1525, 50635), (1625, 47519), (2375, 32513), (2501, 30875), (2665, 28975), (3895, 19825), (3965, 19475), (5125, 15067), (5795, 13325), (6175, 12505), (7625, 10127)]