28971770

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1097}}^1$

素因数の和:1262

約数の個数: 32

約数和(自身を含む): 55339200

約数和(自身を除く): 26367430

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1097, 1390, 2194, 2641, 5282, 5485, 10970, 13205, 20843, 26410, 41686, 104215, 152483, 208430, 304966, 762415, 1524830, 2897177, 5794354, 14485885, 28971770]

約数ペア:

[(1, 28971770), (2, 14485885), (5, 5794354), (10, 2897177), (19, 1524830), (38, 762415), (95, 304966), (139, 208430), (190, 152483), (278, 104215), (695, 41686), (1097, 26410), (1390, 20843), (2194, 13205), (2641, 10970), (5282, 5485)]