121921808

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{205949}}^1$

素因数の和:205994

約数の個数: 20

約数和(自身を含む): 242609100

約数和(自身を除く): 120687292

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 205949, 411898, 823796, 1647592, 3295184, 7620113, 15240226, 30480452, 60960904, 121921808]

約数ペア:

[(1, 121921808), (2, 60960904), (4, 30480452), (8, 15240226), (16, 7620113), (37, 3295184), (74, 1647592), (148, 823796), (296, 411898), (592, 205949)]