28839916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 59512320

約数和(自身を除く): 30672404

約数列:

[1, 2, 4, 7, 14, 28, 71, 89, 142, 163, 178, 284, 326, 356, 497, 623, 652, 994, 1141, 1246, 1988, 2282, 2492, 4564, 6319, 11573, 12638, 14507, 23146, 25276, 29014, 44233, 46292, 58028, 81011, 88466, 101549, 162022, 176932, 203098, 324044, 406196, 1029997, 2059994, 4119988, 7209979, 14419958, 28839916]

約数ペア:

[(1, 28839916), (2, 14419958), (4, 7209979), (7, 4119988), (14, 2059994), (28, 1029997), (71, 406196), (89, 324044), (142, 203098), (163, 176932), (178, 162022), (284, 101549), (326, 88466), (356, 81011), (497, 58028), (623, 46292), (652, 44233), (994, 29014), (1141, 25276), (1246, 23146), (1988, 14507), (2282, 12638), (2492, 11573), (4564, 6319)]