7910890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 16022016

約数和(自身を除く): 8111126

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 151, 155, 169, 302, 310, 338, 403, 755, 806, 845, 1510, 1690, 1963, 2015, 3926, 4030, 4681, 5239, 9362, 9815, 10478, 19630, 23405, 25519, 26195, 46810, 51038, 52390, 60853, 121706, 127595, 255190, 304265, 608530, 791089, 1582178, 3955445, 7910890]

約数ペア:

[(1, 7910890), (2, 3955445), (5, 1582178), (10, 791089), (13, 608530), (26, 304265), (31, 255190), (62, 127595), (65, 121706), (130, 60853), (151, 52390), (155, 51038), (169, 46810), (302, 26195), (310, 25519), (338, 23405), (403, 19630), (755, 10478), (806, 9815), (845, 9362), (1510, 5239), (1690, 4681), (1963, 4030), (2015, 3926)]