28274964

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 71432928

約数和(自身を除く): 43157964

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 61, 76, 107, 114, 122, 183, 214, 228, 244, 321, 361, 366, 428, 642, 722, 732, 1083, 1159, 1284, 1444, 2033, 2166, 2318, 3477, 4066, 4332, 4636, 6099, 6527, 6954, 8132, 12198, 13054, 13908, 19581, 22021, 24396, 26108, 38627, 39162, 44042, 66063, 77254, 78324, 88084, 115881, 124013, 132126, 154508, 231762, 248026, 264252, 372039, 463524, 496052, 744078, 1488156, 2356247, 4712494, 7068741, 9424988, 14137482, 28274964]

約数ペア:

[(1, 28274964), (2, 14137482), (3, 9424988), (4, 7068741), (6, 4712494), (12, 2356247), (19, 1488156), (38, 744078), (57, 496052), (61, 463524), (76, 372039), (107, 264252), (114, 248026), (122, 231762), (183, 154508), (214, 132126), (228, 124013), (244, 115881), (321, 88084), (361, 78324), (366, 77254), (428, 66063), (642, 44042), (722, 39162), (732, 38627), (1083, 26108), (1159, 24396), (1284, 22021), (1444, 19581), (2033, 13908), (2166, 13054), (2318, 12198), (3477, 8132), (4066, 6954), (4332, 6527), (4636, 6099)]