28697976

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 81704040

約数和(自身を除く): 53006064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 324, 402, 536, 603, 648, 661, 804, 1206, 1322, 1608, 1809, 1983, 2412, 2644, 3618, 3966, 4824, 5288, 5427, 5949, 7236, 7932, 10854, 11898, 14472, 15864, 17847, 21708, 23796, 35694, 43416, 44287, 47592, 53541, 71388, 88574, 107082, 132861, 142776, 177148, 214164, 265722, 354296, 398583, 428328, 531444, 797166, 1062888, 1195749, 1594332, 2391498, 3188664, 3587247, 4782996, 7174494, 9565992, 14348988, 28697976]

約数ペア:

[(1, 28697976), (2, 14348988), (3, 9565992), (4, 7174494), (6, 4782996), (8, 3587247), (9, 3188664), (12, 2391498), (18, 1594332), (24, 1195749), (27, 1062888), (36, 797166), (54, 531444), (67, 428328), (72, 398583), (81, 354296), (108, 265722), (134, 214164), (162, 177148), (201, 142776), (216, 132861), (268, 107082), (324, 88574), (402, 71388), (536, 53541), (603, 47592), (648, 44287), (661, 43416), (804, 35694), (1206, 23796), (1322, 21708), (1608, 17847), (1809, 15864), (1983, 14472), (2412, 11898), (2644, 10854), (3618, 7932), (3966, 7236), (4824, 5949), (5288, 5427)]