25988788

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 54476800

約数和(自身を除く): 28488012

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 379, 434, 553, 758, 868, 1106, 1516, 2212, 2449, 2653, 4898, 5306, 9796, 10612, 11749, 17143, 23498, 29941, 34286, 46996, 59882, 68572, 82243, 119764, 164486, 209587, 328972, 419174, 838348, 928171, 1856342, 3712684, 6497197, 12994394, 25988788]

約数ペア:

[(1, 25988788), (2, 12994394), (4, 6497197), (7, 3712684), (14, 1856342), (28, 928171), (31, 838348), (62, 419174), (79, 328972), (124, 209587), (158, 164486), (217, 119764), (316, 82243), (379, 68572), (434, 59882), (553, 46996), (758, 34286), (868, 29941), (1106, 23498), (1516, 17143), (2212, 11749), (2449, 10612), (2653, 9796), (4898, 5306)]