77871664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5273}}^1$

素因数の和:5365

約数の個数: 40

約数和(自身を含む): 164801952

約数和(自身を除く): 86930288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 5273, 7384, 10546, 14768, 21092, 42184, 68549, 84368, 137098, 274196, 374383, 548392, 748766, 1096784, 1497532, 2995064, 4866979, 5990128, 9733958, 19467916, 38935832, 77871664]

約数ペア:

[(1, 77871664), (2, 38935832), (4, 19467916), (8, 9733958), (13, 5990128), (16, 4866979), (26, 2995064), (52, 1497532), (71, 1096784), (104, 748766), (142, 548392), (208, 374383), (284, 274196), (568, 137098), (923, 84368), (1136, 68549), (1846, 42184), (3692, 21092), (5273, 14768), (7384, 10546)]