28440684

素因数分解:

$2^2\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1609}}^1$

素因数の和:2110

約数の個数: 36

約数和(自身を含む): 72082920

約数和(自身を除く): 43642236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 491, 982, 1473, 1609, 1964, 2946, 3218, 4419, 4827, 5892, 6436, 8838, 9654, 14481, 17676, 19308, 28962, 57924, 790019, 1580038, 2370057, 3160076, 4740114, 7110171, 9480228, 14220342, 28440684]

約数ペア:

[(1, 28440684), (2, 14220342), (3, 9480228), (4, 7110171), (6, 4740114), (9, 3160076), (12, 2370057), (18, 1580038), (36, 790019), (491, 57924), (982, 28962), (1473, 19308), (1609, 17676), (1964, 14481), (2946, 9654), (3218, 8838), (4419, 6436), (4827, 5892)]