30805736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2289

約数の個数: 32

約数和(自身を含む): 62680800

約数和(自身を除く): 31875064

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 139, 278, 556, 1112, 1807, 2131, 3614, 4262, 7228, 8524, 14456, 17048, 27703, 55406, 110812, 221624, 296209, 592418, 1184836, 2369672, 3850717, 7701434, 15402868, 30805736]

約数ペア:

[(1, 30805736), (2, 15402868), (4, 7701434), (8, 3850717), (13, 2369672), (26, 1184836), (52, 592418), (104, 296209), (139, 221624), (278, 110812), (556, 55406), (1112, 27703), (1807, 17048), (2131, 14456), (3614, 8524), (4262, 7228)]