123887816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2206

約数の個数: 48

約数和(自身を含む): 257502960

約数和(自身を除く): 133615144

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 169, 172, 338, 344, 559, 676, 1118, 1352, 2131, 2236, 4262, 4472, 7267, 8524, 14534, 17048, 27703, 29068, 55406, 58136, 91633, 110812, 183266, 221624, 360139, 366532, 720278, 733064, 1191229, 1440556, 2382458, 2881112, 4764916, 9529832, 15485977, 30971954, 61943908, 123887816]

約数ペア:

[(1, 123887816), (2, 61943908), (4, 30971954), (8, 15485977), (13, 9529832), (26, 4764916), (43, 2881112), (52, 2382458), (86, 1440556), (104, 1191229), (169, 733064), (172, 720278), (338, 366532), (344, 360139), (559, 221624), (676, 183266), (1118, 110812), (1352, 91633), (2131, 58136), (2236, 55406), (4262, 29068), (4472, 27703), (7267, 17048), (8524, 14534)]