28868812

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 60497920

約数和(自身を除く): 31629108

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 421, 434, 553, 842, 868, 1106, 1684, 2212, 2449, 2947, 4898, 5894, 9796, 11788, 13051, 17143, 26102, 33259, 34286, 52204, 66518, 68572, 91357, 133036, 182714, 232813, 365428, 465626, 931252, 1031029, 2062058, 4124116, 7217203, 14434406, 28868812]

約数ペア:

[(1, 28868812), (2, 14434406), (4, 7217203), (7, 4124116), (14, 2062058), (28, 1031029), (31, 931252), (62, 465626), (79, 365428), (124, 232813), (158, 182714), (217, 133036), (316, 91357), (421, 68572), (434, 66518), (553, 52204), (842, 34286), (868, 33259), (1106, 26102), (1684, 17143), (2212, 13051), (2449, 11788), (2947, 9796), (4898, 5894)]