218977408

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7741}}^1$

素因数の和:7785

約数の個数: 64

約数和(自身を含む): 497500920

約数和(自身を除く): 278523512

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1664, 1768, 2176, 3536, 7072, 7741, 14144, 15482, 28288, 30964, 61928, 100633, 123856, 131597, 201266, 247712, 263194, 402532, 495424, 526388, 805064, 990848, 1052776, 1610128, 1710761, 2105552, 3220256, 3421522, 4211104, 6440512, 6843044, 8422208, 12881024, 13686088, 16844416, 27372176, 54744352, 109488704, 218977408]

約数ペア:

[(1, 218977408), (2, 109488704), (4, 54744352), (8, 27372176), (13, 16844416), (16, 13686088), (17, 12881024), (26, 8422208), (32, 6843044), (34, 6440512), (52, 4211104), (64, 3421522), (68, 3220256), (104, 2105552), (128, 1710761), (136, 1610128), (208, 1052776), (221, 990848), (272, 805064), (416, 526388), (442, 495424), (544, 402532), (832, 263194), (884, 247712), (1088, 201266), (1664, 131597), (1768, 123856), (2176, 100633), (3536, 61928), (7072, 30964), (7741, 28288), (14144, 15482)]