1221690392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{51749}}^1$

素因数の和:51995

約数の個数: 32

約数和(自身を含む): 2477790000

約数和(自身を除く): 1256099608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 227, 454, 908, 1816, 2951, 5902, 11804, 23608, 51749, 103498, 206996, 413992, 672737, 1345474, 2690948, 5381896, 11747023, 23494046, 46988092, 93976184, 152711299, 305422598, 610845196, 1221690392]

約数ペア:

[(1, 1221690392), (2, 610845196), (4, 305422598), (8, 152711299), (13, 93976184), (26, 46988092), (52, 23494046), (104, 11747023), (227, 5381896), (454, 2690948), (908, 1345474), (1816, 672737), (2951, 413992), (5902, 206996), (11804, 103498), (23608, 51749)]