28668744

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 84684600

約数和(自身を除く): 56015856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 109, 117, 156, 218, 234, 281, 312, 327, 436, 468, 562, 654, 843, 872, 936, 981, 1124, 1308, 1417, 1686, 1962, 2248, 2529, 2616, 2834, 3372, 3653, 3924, 4251, 5058, 5668, 6744, 7306, 7848, 8502, 10116, 10959, 11336, 12753, 14612, 17004, 20232, 21918, 25506, 29224, 30629, 32877, 34008, 43836, 51012, 61258, 65754, 87672, 91887, 102024, 122516, 131508, 183774, 245032, 263016, 275661, 367548, 398177, 551322, 735096, 796354, 1102644, 1194531, 1592708, 2205288, 2389062, 3185416, 3583593, 4778124, 7167186, 9556248, 14334372, 28668744]

約数ペア:

[(1, 28668744), (2, 14334372), (3, 9556248), (4, 7167186), (6, 4778124), (8, 3583593), (9, 3185416), (12, 2389062), (13, 2205288), (18, 1592708), (24, 1194531), (26, 1102644), (36, 796354), (39, 735096), (52, 551322), (72, 398177), (78, 367548), (104, 275661), (109, 263016), (117, 245032), (156, 183774), (218, 131508), (234, 122516), (281, 102024), (312, 91887), (327, 87672), (436, 65754), (468, 61258), (562, 51012), (654, 43836), (843, 34008), (872, 32877), (936, 30629), (981, 29224), (1124, 25506), (1308, 21918), (1417, 20232), (1686, 17004), (1962, 14612), (2248, 12753), (2529, 11336), (2616, 10959), (2834, 10116), (3372, 8502), (3653, 7848), (3924, 7306), (4251, 6744), (5058, 5668)]