219629384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{2131}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 444138240

約数和(自身を除く): 224508856

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 991, 1982, 2131, 3964, 4262, 7928, 8524, 12883, 17048, 25766, 27703, 51532, 55406, 103064, 110812, 221624, 2111821, 4223642, 8447284, 16894568, 27453673, 54907346, 109814692, 219629384]

約数ペア:

[(1, 219629384), (2, 109814692), (4, 54907346), (8, 27453673), (13, 16894568), (26, 8447284), (52, 4223642), (104, 2111821), (991, 221624), (1982, 110812), (2131, 103064), (3964, 55406), (4262, 51532), (7928, 27703), (8524, 25766), (12883, 17048)]