28741628

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 54

約数和(自身を含む): 57043056

約数和(自身を除く): 28301428

約数列:

[1, 2, 4, 17, 23, 34, 46, 47, 68, 92, 94, 188, 289, 391, 529, 578, 782, 799, 1058, 1081, 1156, 1564, 1598, 2116, 2162, 3196, 4324, 6647, 8993, 13294, 13583, 17986, 18377, 24863, 26588, 27166, 35972, 36754, 49726, 54332, 73508, 99452, 152881, 305762, 312409, 422671, 611524, 624818, 845342, 1249636, 1690684, 7185407, 14370814, 28741628]

約数ペア:

[(1, 28741628), (2, 14370814), (4, 7185407), (17, 1690684), (23, 1249636), (34, 845342), (46, 624818), (47, 611524), (68, 422671), (92, 312409), (94, 305762), (188, 152881), (289, 99452), (391, 73508), (529, 54332), (578, 49726), (782, 36754), (799, 35972), (1058, 27166), (1081, 26588), (1156, 24863), (1564, 18377), (1598, 17986), (2116, 13583), (2162, 13294), (3196, 8993), (4324, 6647)]