1856165584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20899}}^1$

素因数の和:20988

約数の個数: 80

約数和(自身を含む): 4499017600

約数和(自身を除く): 2642852016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 61, 91, 104, 112, 122, 182, 208, 244, 364, 427, 488, 728, 793, 854, 976, 1456, 1586, 1708, 3172, 3416, 5551, 6344, 6832, 11102, 12688, 20899, 22204, 41798, 44408, 83596, 88816, 146293, 167192, 271687, 292586, 334384, 543374, 585172, 1086748, 1170344, 1274839, 1901809, 2173496, 2340688, 2549678, 3803618, 4346992, 5099356, 7607236, 8923873, 10198712, 15214472, 16572907, 17847746, 20397424, 30428944, 33145814, 35695492, 66291628, 71390984, 116010349, 132583256, 142781968, 232020698, 265166512, 464041396, 928082792, 1856165584]

約数ペア:

[(1, 1856165584), (2, 928082792), (4, 464041396), (7, 265166512), (8, 232020698), (13, 142781968), (14, 132583256), (16, 116010349), (26, 71390984), (28, 66291628), (52, 35695492), (56, 33145814), (61, 30428944), (91, 20397424), (104, 17847746), (112, 16572907), (122, 15214472), (182, 10198712), (208, 8923873), (244, 7607236), (364, 5099356), (427, 4346992), (488, 3803618), (728, 2549678), (793, 2340688), (854, 2173496), (976, 1901809), (1456, 1274839), (1586, 1170344), (1708, 1086748), (3172, 585172), (3416, 543374), (5551, 334384), (6344, 292586), (6832, 271687), (11102, 167192), (12688, 146293), (20899, 88816), (22204, 83596), (41798, 44408)]