138307015

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2411}}^1$

素因数の和:2583

約数の個数: 32

約数和(自身を含む): 208396800

約数和(自身を除く): 70089785

約数列:

[1, 5, 7, 11, 35, 55, 77, 149, 385, 745, 1043, 1639, 2411, 5215, 8195, 11473, 12055, 16877, 26521, 57365, 84385, 132605, 185647, 359239, 928235, 1796195, 2514673, 3951629, 12573365, 19758145, 27661403, 138307015]

約数ペア:

[(1, 138307015), (5, 27661403), (7, 19758145), (11, 12573365), (35, 3951629), (55, 2514673), (77, 1796195), (149, 928235), (385, 359239), (745, 185647), (1043, 132605), (1639, 84385), (2411, 57365), (5215, 26521), (8195, 16877), (11473, 12055)]