28142172

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 74360832

約数和(自身を除く): 46218660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 151, 167, 186, 279, 302, 334, 372, 453, 501, 558, 604, 668, 906, 1002, 1116, 1359, 1503, 1812, 2004, 2718, 3006, 4681, 5177, 5436, 6012, 9362, 10354, 14043, 15531, 18724, 20708, 25217, 28086, 31062, 42129, 46593, 50434, 56172, 62124, 75651, 84258, 93186, 100868, 151302, 168516, 186372, 226953, 302604, 453906, 781727, 907812, 1563454, 2345181, 3126908, 4690362, 7035543, 9380724, 14071086, 28142172]

約数ペア:

[(1, 28142172), (2, 14071086), (3, 9380724), (4, 7035543), (6, 4690362), (9, 3126908), (12, 2345181), (18, 1563454), (31, 907812), (36, 781727), (62, 453906), (93, 302604), (124, 226953), (151, 186372), (167, 168516), (186, 151302), (279, 100868), (302, 93186), (334, 84258), (372, 75651), (453, 62124), (501, 56172), (558, 50434), (604, 46593), (668, 42129), (906, 31062), (1002, 28086), (1116, 25217), (1359, 20708), (1503, 18724), (1812, 15531), (2004, 14043), (2718, 10354), (3006, 9362), (4681, 6012), (5177, 5436)]