1215694864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1245589}}^1$

素因数の和:1245658

約数の個数: 20

約数和(自身を含む): 2394023980

約数和(自身を除く): 1178329116

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1245589, 2491178, 4982356, 9964712, 19929424, 75980929, 151961858, 303923716, 607847432, 1215694864]

約数ペア:

[(1, 1215694864), (2, 607847432), (4, 303923716), (8, 151961858), (16, 75980929), (61, 19929424), (122, 9964712), (244, 4982356), (488, 2491178), (976, 1245589)]