31151290

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 57435840

約数和(自身を除く): 26284550

約数列:

[1, 2, 5, 10, 73, 139, 146, 278, 307, 365, 614, 695, 730, 1390, 1535, 3070, 10147, 20294, 22411, 42673, 44822, 50735, 85346, 101470, 112055, 213365, 224110, 426730, 3115129, 6230258, 15575645, 31151290]

約数ペア:

[(1, 31151290), (2, 15575645), (5, 6230258), (10, 3115129), (73, 426730), (139, 224110), (146, 213365), (278, 112055), (307, 101470), (365, 85346), (614, 50735), (695, 44822), (730, 42673), (1390, 22411), (1535, 20294), (3070, 10147)]