665012008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1621}}^1\times {\mathrm{2699}}^1$

素因数の和:4345

約数の個数: 32

約数和(自身を含む): 1313820000

約数和(自身を除く): 648807992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1621, 2699, 3242, 5398, 6484, 10796, 12968, 21592, 30799, 51281, 61598, 102562, 123196, 205124, 246392, 410248, 4375079, 8750158, 17500316, 35000632, 83126501, 166253002, 332506004, 665012008]

約数ペア:

[(1, 665012008), (2, 332506004), (4, 166253002), (8, 83126501), (19, 35000632), (38, 17500316), (76, 8750158), (152, 4375079), (1621, 410248), (2699, 246392), (3242, 205124), (5398, 123196), (6484, 102562), (10796, 61598), (12968, 51281), (21592, 30799)]