72671248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349381}}^1$

素因数の和:349402

約数の個数: 20

約数和(自身を含む): 151631788

約数和(自身を除く): 78960540

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349381, 698762, 1397524, 2795048, 4541953, 5590096, 9083906, 18167812, 36335624, 72671248]

約数ペア:

[(1, 72671248), (2, 36335624), (4, 18167812), (8, 9083906), (13, 5590096), (16, 4541953), (26, 2795048), (52, 1397524), (104, 698762), (208, 349381)]