81815890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{10667}}^1$

素因数の和:10746

約数の個数: 32

約数和(自身を含む): 161300160

約数和(自身を除く): 79484270

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 7670, 10667, 21334, 53335, 106670, 138671, 277342, 629353, 693355, 1258706, 1386710, 3146765, 6293530, 8181589, 16363178, 40907945, 81815890]

約数ペア:

[(1, 81815890), (2, 40907945), (5, 16363178), (10, 8181589), (13, 6293530), (26, 3146765), (59, 1386710), (65, 1258706), (118, 693355), (130, 629353), (295, 277342), (590, 138671), (767, 106670), (1534, 53335), (3835, 21334), (7670, 10667)]