28922915

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 40974336

約数和(自身を除く): 12051421

約数列:

[1, 5, 7, 35, 71, 103, 113, 355, 497, 515, 565, 721, 791, 2485, 3605, 3955, 7313, 8023, 11639, 36565, 40115, 51191, 56161, 58195, 81473, 255955, 280805, 407365, 826369, 4131845, 5784583, 28922915]

約数ペア:

[(1, 28922915), (5, 5784583), (7, 4131845), (35, 826369), (71, 407365), (103, 280805), (113, 255955), (355, 81473), (497, 58195), (515, 56161), (565, 51191), (721, 40115), (791, 36565), (2485, 11639), (3605, 8023), (3955, 7313)]