56361890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{883}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 109601856

約数和(自身を除く): 53239966

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 883, 982, 1766, 2455, 4415, 4910, 6383, 8830, 11479, 12766, 22958, 31915, 57395, 63830, 114790, 433553, 867106, 2167765, 4335530, 5636189, 11272378, 28180945, 56361890]

約数ペア:

[(1, 56361890), (2, 28180945), (5, 11272378), (10, 5636189), (13, 4335530), (26, 2167765), (65, 867106), (130, 433553), (491, 114790), (883, 63830), (982, 57395), (1766, 31915), (2455, 22958), (4415, 12766), (4910, 11479), (6383, 8830)]