1638628236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{63131}}^1$

素因数の和:63251

約数の個数: 72

約数和(自身を含む): 4779849984

約数和(自身を除く): 3141221748

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 927, 1236, 1442, 1854, 2163, 2884, 3708, 4326, 6489, 8652, 12978, 25956, 63131, 126262, 189393, 252524, 378786, 441917, 568179, 757572, 883834, 1136358, 1325751, 1767668, 2272716, 2651502, 3977253, 5303004, 6502493, 7954506, 13004986, 15909012, 19507479, 26009972, 39014958, 45517451, 58522437, 78029916, 91034902, 117044874, 136552353, 182069804, 234089748, 273104706, 409657059, 546209412, 819314118, 1638628236]

約数ペア:

[(1, 1638628236), (2, 819314118), (3, 546209412), (4, 409657059), (6, 273104706), (7, 234089748), (9, 182069804), (12, 136552353), (14, 117044874), (18, 91034902), (21, 78029916), (28, 58522437), (36, 45517451), (42, 39014958), (63, 26009972), (84, 19507479), (103, 15909012), (126, 13004986), (206, 7954506), (252, 6502493), (309, 5303004), (412, 3977253), (618, 2651502), (721, 2272716), (927, 1767668), (1236, 1325751), (1442, 1136358), (1854, 883834), (2163, 757572), (2884, 568179), (3708, 441917), (4326, 378786), (6489, 252524), (8652, 189393), (12978, 126262), (25956, 63131)]