15804519965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{56983}}^1$

素因数の和:57269

約数の個数: 32

約数和(自身を含む): 21712271616

約数和(自身を除く): 5907751651

約数列:

[1, 5, 13, 17, 65, 85, 221, 251, 1105, 1255, 3263, 4267, 16315, 21335, 55471, 56983, 277355, 284915, 740779, 968711, 3703895, 4843555, 12593243, 14302733, 62966215, 71513665, 185935529, 243146461, 929677645, 1215732305, 3160903993, 15804519965]

約数ペア:

[(1, 15804519965), (5, 3160903993), (13, 1215732305), (17, 929677645), (65, 243146461), (85, 185935529), (221, 71513665), (251, 62966215), (1105, 14302733), (1255, 12593243), (3263, 4843555), (4267, 3703895), (16315, 968711), (21335, 740779), (55471, 284915), (56983, 277355)]