71989216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 153912528

約数和(自身を除く): 81923312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 131, 208, 262, 416, 524, 1048, 1321, 1703, 2096, 2642, 3406, 4192, 5284, 6812, 10568, 13624, 17173, 21136, 27248, 34346, 42272, 54496, 68692, 137384, 173051, 274768, 346102, 549536, 692204, 1384408, 2249663, 2768816, 4499326, 5537632, 8998652, 17997304, 35994608, 71989216]

約数ペア:

[(1, 71989216), (2, 35994608), (4, 17997304), (8, 8998652), (13, 5537632), (16, 4499326), (26, 2768816), (32, 2249663), (52, 1384408), (104, 692204), (131, 549536), (208, 346102), (262, 274768), (416, 173051), (524, 137384), (1048, 68692), (1321, 54496), (1703, 42272), (2096, 34346), (2642, 27248), (3406, 21136), (4192, 17173), (5284, 13624), (6812, 10568)]