28218528

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{7537}}^1$

素因数の和:7566

約数の個数: 72

約数和(自身を含む): 86430708

約数和(自身を除く): 58212180

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 7537, 15074, 22611, 30148, 45222, 60296, 67833, 90444, 97981, 120592, 135666, 180888, 195962, 241184, 271332, 293943, 361776, 391924, 542664, 587886, 723552, 783848, 881829, 1085328, 1175772, 1567696, 1763658, 2170656, 2351544, 3135392, 3527316, 4703088, 7054632, 9406176, 14109264, 28218528]

約数ペア:

[(1, 28218528), (2, 14109264), (3, 9406176), (4, 7054632), (6, 4703088), (8, 3527316), (9, 3135392), (12, 2351544), (13, 2170656), (16, 1763658), (18, 1567696), (24, 1175772), (26, 1085328), (32, 881829), (36, 783848), (39, 723552), (48, 587886), (52, 542664), (72, 391924), (78, 361776), (96, 293943), (104, 271332), (117, 241184), (144, 195962), (156, 180888), (208, 135666), (234, 120592), (288, 97981), (312, 90444), (416, 67833), (468, 60296), (624, 45222), (936, 30148), (1248, 22611), (1872, 15074), (3744, 7537)]