81780816

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131059}}^1$

素因数の和:131083

約数の個数: 40

約数和(自身を含む): 227520160

約数和(自身を除く): 145739344

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 131059, 262118, 393177, 524236, 786354, 1048472, 1572708, 1703767, 2096944, 3145416, 3407534, 5111301, 6290832, 6815068, 10222602, 13630136, 20445204, 27260272, 40890408, 81780816]

約数ペア:

[(1, 81780816), (2, 40890408), (3, 27260272), (4, 20445204), (6, 13630136), (8, 10222602), (12, 6815068), (13, 6290832), (16, 5111301), (24, 3407534), (26, 3145416), (39, 2096944), (48, 1703767), (52, 1572708), (78, 1048472), (104, 786354), (156, 524236), (208, 393177), (312, 262118), (624, 131059)]