15721819211

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{953}}^1\times {\mathrm{5393}}^1$

素因数の和:6395

約数の個数: 32

約数和(自身を含む): 19760163840

約数和(自身を除く): 4038344629

約数列:

[1, 7, 19, 23, 133, 161, 437, 953, 3059, 5393, 6671, 18107, 21919, 37751, 102467, 124039, 126749, 153433, 416461, 717269, 868273, 2356741, 2915227, 5139529, 16497187, 35976703, 97651051, 118209167, 683557357, 827464169, 2245974173, 15721819211]

約数ペア:

[(1, 15721819211), (7, 2245974173), (19, 827464169), (23, 683557357), (133, 118209167), (161, 97651051), (437, 35976703), (953, 16497187), (3059, 5139529), (5393, 2915227), (6671, 2356741), (18107, 868273), (21919, 717269), (37751, 416461), (102467, 153433), (124039, 126749)]