81562612

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 153990144

約数和(自身を除く): 72427532

約数列:

[1, 2, 4, 31, 41, 61, 62, 82, 122, 124, 164, 244, 263, 526, 1052, 1271, 1891, 2501, 2542, 3782, 5002, 5084, 7564, 8153, 10004, 10783, 16043, 16306, 21566, 32086, 32612, 43132, 64172, 77531, 155062, 310124, 334273, 497333, 657763, 668546, 994666, 1315526, 1337092, 1989332, 2631052, 20390653, 40781306, 81562612]

約数ペア:

[(1, 81562612), (2, 40781306), (4, 20390653), (31, 2631052), (41, 1989332), (61, 1337092), (62, 1315526), (82, 994666), (122, 668546), (124, 657763), (164, 497333), (244, 334273), (263, 310124), (526, 155062), (1052, 77531), (1271, 64172), (1891, 43132), (2501, 32612), (2542, 32086), (3782, 21566), (5002, 16306), (5084, 16043), (7564, 10783), (8153, 10004)]