388291475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6389}}^1$

素因数の和:6440

約数の個数: 48

約数和(自身を含む): 599024160

約数和(自身を除く): 210732685

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3575, 4675, 5525, 6389, 12155, 31945, 60775, 70279, 83057, 108613, 159725, 351395, 415285, 543065, 913627, 1194743, 1411969, 1756975, 2076425, 2715325, 4568135, 5973715, 7059845, 15531659, 22840675, 29868575, 35299225, 77658295, 388291475]

約数ペア:

[(1, 388291475), (5, 77658295), (11, 35299225), (13, 29868575), (17, 22840675), (25, 15531659), (55, 7059845), (65, 5973715), (85, 4568135), (143, 2715325), (187, 2076425), (221, 1756975), (275, 1411969), (325, 1194743), (425, 913627), (715, 543065), (935, 415285), (1105, 351395), (2431, 159725), (3575, 108613), (4675, 83057), (5525, 70279), (6389, 60775), (12155, 31945)]