1330781578

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 2408693760

約数和(自身を除く): 1077912182

約数列:

[1, 2, 7, 14, 31, 62, 89, 131, 178, 217, 262, 263, 434, 526, 623, 917, 1246, 1834, 1841, 2759, 3682, 4061, 5518, 8122, 8153, 11659, 16306, 19313, 23318, 23407, 28427, 34453, 38626, 46814, 56854, 57071, 68906, 81613, 114142, 163226, 163849, 241171, 327698, 361429, 482342, 722858, 725617, 1068043, 1451234, 2136086, 2530003, 3066317, 5060006, 5079319, 6132634, 7476301, 10158638, 14952602, 21464219, 42928438, 95055827, 190111654, 665390789, 1330781578]

約数ペア:

[(1, 1330781578), (2, 665390789), (7, 190111654), (14, 95055827), (31, 42928438), (62, 21464219), (89, 14952602), (131, 10158638), (178, 7476301), (217, 6132634), (262, 5079319), (263, 5060006), (434, 3066317), (526, 2530003), (623, 2136086), (917, 1451234), (1246, 1068043), (1834, 725617), (1841, 722858), (2759, 482342), (3682, 361429), (4061, 327698), (5518, 241171), (8122, 163849), (8153, 163226), (11659, 114142), (16306, 81613), (19313, 68906), (23318, 57071), (23407, 56854), (28427, 46814), (34453, 38626)]