72881416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{12959}}^1$

素因数の和:13021

約数の個数: 32

約数和(自身を含む): 147744000

約数和(自身を除く): 74862584

約数列:

[1, 2, 4, 8, 19, 37, 38, 74, 76, 148, 152, 296, 703, 1406, 2812, 5624, 12959, 25918, 51836, 103672, 246221, 479483, 492442, 958966, 984884, 1917932, 1969768, 3835864, 9110177, 18220354, 36440708, 72881416]

約数ペア:

[(1, 72881416), (2, 36440708), (4, 18220354), (8, 9110177), (19, 3835864), (37, 1969768), (38, 1917932), (74, 984884), (76, 958966), (148, 492442), (152, 479483), (296, 246221), (703, 103672), (1406, 51836), (2812, 25918), (5624, 12959)]