214955565

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 400308480

約数和(自身を除く): 185352915

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 197, 255, 389, 561, 591, 935, 985, 1167, 1945, 2167, 2805, 2955, 3349, 4279, 5835, 6501, 6613, 10047, 10835, 12837, 16745, 19839, 21395, 32505, 33065, 36839, 50235, 64185, 72743, 76633, 99195, 110517, 184195, 218229, 229899, 363715, 383165, 552585, 842963, 1091145, 1149495, 1302761, 2528889, 3908283, 4214815, 6513805, 12644445, 14330371, 19541415, 42991113, 71651855, 214955565]

約数ペア:

[(1, 214955565), (3, 71651855), (5, 42991113), (11, 19541415), (15, 14330371), (17, 12644445), (33, 6513805), (51, 4214815), (55, 3908283), (85, 2528889), (165, 1302761), (187, 1149495), (197, 1091145), (255, 842963), (389, 552585), (561, 383165), (591, 363715), (935, 229899), (985, 218229), (1167, 184195), (1945, 110517), (2167, 99195), (2805, 76633), (2955, 72743), (3349, 64185), (4279, 50235), (5835, 36839), (6501, 33065), (6613, 32505), (10047, 21395), (10835, 19839), (12837, 16745)]