28371910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{4013}}^1$

素因数の和:4128

約数の個数: 32

約数和(自身を含む): 58957632

約数和(自身を除く): 30585722

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 101, 202, 505, 707, 1010, 1414, 3535, 4013, 7070, 8026, 20065, 28091, 40130, 56182, 140455, 280910, 405313, 810626, 2026565, 2837191, 4053130, 5674382, 14185955, 28371910]

約数ペア:

[(1, 28371910), (2, 14185955), (5, 5674382), (7, 4053130), (10, 2837191), (14, 2026565), (35, 810626), (70, 405313), (101, 280910), (202, 140455), (505, 56182), (707, 40130), (1010, 28091), (1414, 20065), (3535, 8026), (4013, 7070)]