12780222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 19153218

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 263, 267, 273, 526, 534, 546, 623, 789, 1157, 1246, 1578, 1841, 1869, 2314, 3419, 3471, 3682, 3738, 5523, 6838, 6942, 8099, 10257, 11046, 16198, 20514, 23407, 23933, 24297, 46814, 47866, 48594, 70221, 71799, 140442, 143598, 163849, 304291, 327698, 491547, 608582, 912873, 983094, 1825746, 2130037, 4260074, 6390111, 12780222]

約数ペア:

[(1, 12780222), (2, 6390111), (3, 4260074), (6, 2130037), (7, 1825746), (13, 983094), (14, 912873), (21, 608582), (26, 491547), (39, 327698), (42, 304291), (78, 163849), (89, 143598), (91, 140442), (178, 71799), (182, 70221), (263, 48594), (267, 47866), (273, 46814), (526, 24297), (534, 23933), (546, 23407), (623, 20514), (789, 16198), (1157, 11046), (1246, 10257), (1578, 8099), (1841, 6942), (1869, 6838), (2314, 5523), (3419, 3738), (3471, 3682)]