25991238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 64576512

約数和(自身を除く): 38585274

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 181, 182, 263, 273, 362, 526, 543, 546, 789, 1086, 1267, 1578, 1841, 2353, 2534, 3419, 3682, 3801, 4706, 5523, 6838, 7059, 7602, 10257, 11046, 14118, 16471, 20514, 23933, 32942, 47603, 47866, 49413, 71799, 95206, 98826, 142809, 143598, 285618, 333221, 618839, 666442, 999663, 1237678, 1856517, 1999326, 3713034, 4331873, 8663746, 12995619, 25991238]

約数ペア:

[(1, 25991238), (2, 12995619), (3, 8663746), (6, 4331873), (7, 3713034), (13, 1999326), (14, 1856517), (21, 1237678), (26, 999663), (39, 666442), (42, 618839), (78, 333221), (91, 285618), (181, 143598), (182, 142809), (263, 98826), (273, 95206), (362, 71799), (526, 49413), (543, 47866), (546, 47603), (789, 32942), (1086, 23933), (1267, 20514), (1578, 16471), (1841, 14118), (2353, 11046), (2534, 10257), (3419, 7602), (3682, 7059), (3801, 6838), (4706, 5523)]