28207764

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 82009928

約数和(自身を除く): 53802164

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 81, 108, 111, 117, 148, 156, 162, 181, 222, 234, 324, 333, 351, 362, 444, 468, 481, 543, 666, 702, 724, 962, 999, 1053, 1086, 1332, 1404, 1443, 1629, 1924, 1998, 2106, 2172, 2353, 2886, 2997, 3258, 3996, 4212, 4329, 4706, 4887, 5772, 5994, 6516, 6697, 7059, 8658, 9412, 9774, 11988, 12987, 13394, 14118, 14661, 17316, 19548, 20091, 21177, 25974, 26788, 28236, 29322, 38961, 40182, 42354, 51948, 58644, 60273, 63531, 77922, 80364, 84708, 87061, 120546, 127062, 155844, 174122, 180819, 190593, 241092, 254124, 261183, 348244, 361638, 381186, 522366, 542457, 723276, 762372, 783549, 1044732, 1084914, 1567098, 2169828, 2350647, 3134196, 4701294, 7051941, 9402588, 14103882, 28207764]

約数ペア:

[(1, 28207764), (2, 14103882), (3, 9402588), (4, 7051941), (6, 4701294), (9, 3134196), (12, 2350647), (13, 2169828), (18, 1567098), (26, 1084914), (27, 1044732), (36, 783549), (37, 762372), (39, 723276), (52, 542457), (54, 522366), (74, 381186), (78, 361638), (81, 348244), (108, 261183), (111, 254124), (117, 241092), (148, 190593), (156, 180819), (162, 174122), (181, 155844), (222, 127062), (234, 120546), (324, 87061), (333, 84708), (351, 80364), (362, 77922), (444, 63531), (468, 60273), (481, 58644), (543, 51948), (666, 42354), (702, 40182), (724, 38961), (962, 29322), (999, 28236), (1053, 26788), (1086, 25974), (1332, 21177), (1404, 20091), (1443, 19548), (1629, 17316), (1924, 14661), (1998, 14118), (2106, 13394), (2172, 12987), (2353, 11988), (2886, 9774), (2997, 9412), (3258, 8658), (3996, 7059), (4212, 6697), (4329, 6516), (4706, 5994), (4887, 5772)]