397837375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{5209}}^1$

素因数の和:5284

約数の個数: 32

約数和(自身を含む): 546174720

約数和(自身を除く): 148337345

約数列:

[1, 5, 13, 25, 47, 65, 125, 235, 325, 611, 1175, 1625, 3055, 5209, 5875, 15275, 26045, 67717, 76375, 130225, 244823, 338585, 651125, 1224115, 1692925, 3182699, 6120575, 8464625, 15913495, 30602875, 79567475, 397837375]

約数ペア:

[(1, 397837375), (5, 79567475), (13, 30602875), (25, 15913495), (47, 8464625), (65, 6120575), (125, 3182699), (235, 1692925), (325, 1224115), (611, 651125), (1175, 338585), (1625, 244823), (3055, 130225), (5209, 76375), (5875, 67717), (15275, 26045)]