28656252

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 77130144

約数和(自身を除く): 48473892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 53, 69, 92, 106, 138, 159, 207, 212, 276, 318, 414, 477, 636, 653, 828, 954, 1219, 1306, 1908, 1959, 2438, 2612, 3657, 3918, 4876, 5877, 7314, 7836, 10971, 11754, 14628, 15019, 21942, 23508, 30038, 34609, 43884, 45057, 60076, 69218, 90114, 103827, 135171, 138436, 180228, 207654, 270342, 311481, 415308, 540684, 622962, 796007, 1245924, 1592014, 2388021, 3184028, 4776042, 7164063, 9552084, 14328126, 28656252]

約数ペア:

[(1, 28656252), (2, 14328126), (3, 9552084), (4, 7164063), (6, 4776042), (9, 3184028), (12, 2388021), (18, 1592014), (23, 1245924), (36, 796007), (46, 622962), (53, 540684), (69, 415308), (92, 311481), (106, 270342), (138, 207654), (159, 180228), (207, 138436), (212, 135171), (276, 103827), (318, 90114), (414, 69218), (477, 60076), (636, 45057), (653, 43884), (828, 34609), (954, 30038), (1219, 23508), (1306, 21942), (1908, 15019), (1959, 14628), (2438, 11754), (2612, 10971), (3657, 7836), (3918, 7314), (4876, 5877)]