399715968

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61231}}^1$

素因数の和:61265

約数の個数: 64

約数和(自身を含む): 1124219520

約数和(自身を除く): 724503552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 272, 384, 408, 544, 816, 1088, 1632, 2176, 3264, 6528, 61231, 122462, 183693, 244924, 367386, 489848, 734772, 979696, 1040927, 1469544, 1959392, 2081854, 2939088, 3122781, 3918784, 4163708, 5878176, 6245562, 7837568, 8327416, 11756352, 12491124, 16654832, 23512704, 24982248, 33309664, 49964496, 66619328, 99928992, 133238656, 199857984, 399715968]

約数ペア:

[(1, 399715968), (2, 199857984), (3, 133238656), (4, 99928992), (6, 66619328), (8, 49964496), (12, 33309664), (16, 24982248), (17, 23512704), (24, 16654832), (32, 12491124), (34, 11756352), (48, 8327416), (51, 7837568), (64, 6245562), (68, 5878176), (96, 4163708), (102, 3918784), (128, 3122781), (136, 2939088), (192, 2081854), (204, 1959392), (272, 1469544), (384, 1040927), (408, 979696), (544, 734772), (816, 489848), (1088, 367386), (1632, 244924), (2176, 183693), (3264, 122462), (6528, 61231)]