28175742

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{569}}^1$

素因数の和:718

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 44054658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 393, 569, 786, 917, 1138, 1179, 1707, 1834, 2358, 2751, 3414, 3537, 3983, 5121, 5502, 7074, 7966, 8253, 10242, 11949, 15363, 16506, 23898, 24759, 30726, 35847, 49518, 71694, 74539, 107541, 149078, 215082, 223617, 447234, 521773, 670851, 1043546, 1341702, 1565319, 2012553, 3130638, 4025106, 4695957, 9391914, 14087871, 28175742]

約数ペア:

[(1, 28175742), (2, 14087871), (3, 9391914), (6, 4695957), (7, 4025106), (9, 3130638), (14, 2012553), (18, 1565319), (21, 1341702), (27, 1043546), (42, 670851), (54, 521773), (63, 447234), (126, 223617), (131, 215082), (189, 149078), (262, 107541), (378, 74539), (393, 71694), (569, 49518), (786, 35847), (917, 30726), (1138, 24759), (1179, 23898), (1707, 16506), (1834, 15363), (2358, 11949), (2751, 10242), (3414, 8253), (3537, 7966), (3983, 7074), (5121, 5502)]