209567408

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{4481}}^1$

素因数の和:4605

約数の個数: 40

約数和(自身を含む): 422383680

約数和(自身を除く): 212816272

約数列:

[1, 2, 4, 8, 16, 37, 74, 79, 148, 158, 296, 316, 592, 632, 1264, 2923, 4481, 5846, 8962, 11692, 17924, 23384, 35848, 46768, 71696, 165797, 331594, 353999, 663188, 707998, 1326376, 1415996, 2652752, 2831992, 5663984, 13097963, 26195926, 52391852, 104783704, 209567408]

約数ペア:

[(1, 209567408), (2, 104783704), (4, 52391852), (8, 26195926), (16, 13097963), (37, 5663984), (74, 2831992), (79, 2652752), (148, 1415996), (158, 1326376), (296, 707998), (316, 663188), (592, 353999), (632, 331594), (1264, 165797), (2923, 71696), (4481, 46768), (5846, 35848), (8962, 23384), (11692, 17924)]