1291286648

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{797}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 2574028800

約数和(自身を除く): 1282742152

約数列:

[1, 2, 4, 8, 31, 47, 62, 94, 124, 139, 188, 248, 278, 376, 556, 797, 1112, 1457, 1594, 2914, 3188, 4309, 5828, 6376, 6533, 8618, 11656, 13066, 17236, 24707, 26132, 34472, 37459, 49414, 52264, 74918, 98828, 110783, 149836, 197656, 202523, 221566, 299672, 405046, 443132, 810092, 886264, 1161229, 1620184, 2322458, 3434273, 4644916, 5206801, 6868546, 9289832, 10413602, 13737092, 20827204, 27474184, 41654408, 161410831, 322821662, 645643324, 1291286648]

約数ペア:

[(1, 1291286648), (2, 645643324), (4, 322821662), (8, 161410831), (31, 41654408), (47, 27474184), (62, 20827204), (94, 13737092), (124, 10413602), (139, 9289832), (188, 6868546), (248, 5206801), (278, 4644916), (376, 3434273), (556, 2322458), (797, 1620184), (1112, 1161229), (1457, 886264), (1594, 810092), (2914, 443132), (3188, 405046), (4309, 299672), (5828, 221566), (6376, 202523), (6533, 197656), (8618, 149836), (11656, 110783), (13066, 98828), (17236, 74918), (24707, 52264), (26132, 49414), (34472, 37459)]