22221590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 41531616

約数和(自身を除く): 19310026

約数列:

[1, 2, 5, 10, 41, 82, 83, 166, 205, 410, 415, 653, 830, 1306, 3265, 3403, 6530, 6806, 17015, 26773, 34030, 53546, 54199, 108398, 133865, 267730, 270995, 541990, 2222159, 4444318, 11110795, 22221590]

約数ペア:

[(1, 22221590), (2, 11110795), (5, 4444318), (10, 2222159), (41, 541990), (82, 270995), (83, 267730), (166, 133865), (205, 108398), (410, 54199), (415, 53546), (653, 34030), (830, 26773), (1306, 17015), (3265, 6806), (3403, 6530)]