1290985856

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{530833}}^1$

素因数の和:530866

約数の個数: 32

約数和(自身を含む): 2707253400

約数和(自身を除く): 1416267544

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 530833, 1061666, 2123332, 4246664, 8493328, 10085827, 16986656, 20171654, 33973312, 40343308, 67946624, 80686616, 161373232, 322746464, 645492928, 1290985856]

約数ペア:

[(1, 1290985856), (2, 645492928), (4, 322746464), (8, 161373232), (16, 80686616), (19, 67946624), (32, 40343308), (38, 33973312), (64, 20171654), (76, 16986656), (128, 10085827), (152, 8493328), (304, 4246664), (608, 2123332), (1216, 1061666), (2432, 530833)]