28361808

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{2213}}^1$

素因数の和:2316

約数の個数: 60

約数和(自身を含む): 80301780

約数和(自身を除く): 51939972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1602, 2136, 2213, 3204, 4272, 4426, 6408, 6639, 8852, 12816, 13278, 17704, 19917, 26556, 35408, 39834, 53112, 79668, 106224, 159336, 196957, 318672, 393914, 590871, 787828, 1181742, 1575656, 1772613, 2363484, 3151312, 3545226, 4726968, 7090452, 9453936, 14180904, 28361808]

約数ペア:

[(1, 28361808), (2, 14180904), (3, 9453936), (4, 7090452), (6, 4726968), (8, 3545226), (9, 3151312), (12, 2363484), (16, 1772613), (18, 1575656), (24, 1181742), (36, 787828), (48, 590871), (72, 393914), (89, 318672), (144, 196957), (178, 159336), (267, 106224), (356, 79668), (534, 53112), (712, 39834), (801, 35408), (1068, 26556), (1424, 19917), (1602, 17704), (2136, 13278), (2213, 12816), (3204, 8852), (4272, 6639), (4426, 6408)]