159640208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1432

約数の個数: 80

約数和(自身を含む): 385558656

約数和(自身を除く): 225918448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 83, 91, 104, 112, 166, 182, 208, 332, 364, 581, 664, 728, 1079, 1162, 1321, 1328, 1456, 2158, 2324, 2642, 4316, 4648, 5284, 7553, 8632, 9247, 9296, 10568, 15106, 17173, 17264, 18494, 21136, 30212, 34346, 36988, 60424, 68692, 73976, 109643, 120211, 120848, 137384, 147952, 219286, 240422, 274768, 438572, 480844, 767501, 877144, 961688, 1425359, 1535002, 1754288, 1923376, 2850718, 3070004, 5701436, 6140008, 9977513, 11402872, 12280016, 19955026, 22805744, 39910052, 79820104, 159640208]

約数ペア:

[(1, 159640208), (2, 79820104), (4, 39910052), (7, 22805744), (8, 19955026), (13, 12280016), (14, 11402872), (16, 9977513), (26, 6140008), (28, 5701436), (52, 3070004), (56, 2850718), (83, 1923376), (91, 1754288), (104, 1535002), (112, 1425359), (166, 961688), (182, 877144), (208, 767501), (332, 480844), (364, 438572), (581, 274768), (664, 240422), (728, 219286), (1079, 147952), (1162, 137384), (1321, 120848), (1328, 120211), (1456, 109643), (2158, 73976), (2324, 68692), (2642, 60424), (4316, 36988), (4648, 34346), (5284, 30212), (7553, 21136), (8632, 18494), (9247, 17264), (9296, 17173), (10568, 15106)]