31703890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 59875200

約数和(自身を除く): 28171310

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 307, 449, 614, 898, 1535, 2245, 3070, 4490, 7061, 10327, 14122, 20654, 35305, 51635, 70610, 103270, 137843, 275686, 689215, 1378430, 3170389, 6340778, 15851945, 31703890]

約数ペア:

[(1, 31703890), (2, 15851945), (5, 6340778), (10, 3170389), (23, 1378430), (46, 689215), (115, 275686), (230, 137843), (307, 103270), (449, 70610), (614, 51635), (898, 35305), (1535, 20654), (2245, 14122), (3070, 10327), (4490, 7061)]