161820568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11699}}^1$

素因数の和:11744

約数の個数: 64

約数和(自身を含む): 393120000

約数和(自身を除く): 231299432

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 3458, 6916, 11699, 13832, 23398, 46796, 81893, 93592, 152087, 163786, 222281, 304174, 327572, 444562, 608348, 655144, 889124, 1064609, 1216696, 1555967, 1778248, 2129218, 2889653, 3111934, 4258436, 5779306, 6223868, 8516872, 11558612, 12447736, 20227571, 23117224, 40455142, 80910284, 161820568]

約数ペア:

[(1, 161820568), (2, 80910284), (4, 40455142), (7, 23117224), (8, 20227571), (13, 12447736), (14, 11558612), (19, 8516872), (26, 6223868), (28, 5779306), (38, 4258436), (52, 3111934), (56, 2889653), (76, 2129218), (91, 1778248), (104, 1555967), (133, 1216696), (152, 1064609), (182, 889124), (247, 655144), (266, 608348), (364, 444562), (494, 327572), (532, 304174), (728, 222281), (988, 163786), (1064, 152087), (1729, 93592), (1976, 81893), (3458, 46796), (6916, 23398), (11699, 13832)]