181565984

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{677}}^1$

素因数の和:750

約数の個数: 72

約数和(自身を含む): 393395940

約数和(自身を除く): 211829956

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 289, 464, 493, 544, 578, 677, 928, 986, 1156, 1354, 1972, 2312, 2708, 3944, 4624, 5416, 7888, 8381, 9248, 10832, 11509, 15776, 16762, 19633, 21664, 23018, 33524, 39266, 46036, 67048, 78532, 92072, 134096, 157064, 184144, 195653, 268192, 314128, 333761, 368288, 391306, 628256, 667522, 782612, 1335044, 1565224, 2670088, 3130448, 5340176, 5673937, 6260896, 10680352, 11347874, 22695748, 45391496, 90782992, 181565984]

約数ペア:

[(1, 181565984), (2, 90782992), (4, 45391496), (8, 22695748), (16, 11347874), (17, 10680352), (29, 6260896), (32, 5673937), (34, 5340176), (58, 3130448), (68, 2670088), (116, 1565224), (136, 1335044), (232, 782612), (272, 667522), (289, 628256), (464, 391306), (493, 368288), (544, 333761), (578, 314128), (677, 268192), (928, 195653), (986, 184144), (1156, 157064), (1354, 134096), (1972, 92072), (2312, 78532), (2708, 67048), (3944, 46036), (4624, 39266), (5416, 33524), (7888, 23018), (8381, 21664), (9248, 19633), (10832, 16762), (11509, 15776)]