31303690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12373}}^1$

素因数の和:12414

約数の個数: 32

約数和(自身を含む): 64146816

約数和(自身を除く): 32843126

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12373, 24746, 61865, 123730, 136103, 272206, 284579, 569158, 680515, 1361030, 1422895, 2845790, 3130369, 6260738, 15651845, 31303690]

約数ペア:

[(1, 31303690), (2, 15651845), (5, 6260738), (10, 3130369), (11, 2845790), (22, 1422895), (23, 1361030), (46, 680515), (55, 569158), (110, 284579), (115, 272206), (230, 136103), (253, 123730), (506, 61865), (1265, 24746), (2530, 12373)]