28609884

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 76396320

約数和(自身を除く): 47786436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 109, 138, 207, 218, 276, 317, 327, 414, 436, 634, 654, 828, 951, 981, 1268, 1308, 1902, 1962, 2507, 2853, 3804, 3924, 5014, 5706, 7291, 7521, 10028, 11412, 14582, 15042, 21873, 22563, 29164, 30084, 34553, 43746, 45126, 65619, 69106, 87492, 90252, 103659, 131238, 138212, 207318, 262476, 310977, 414636, 621954, 794719, 1243908, 1589438, 2384157, 3178876, 4768314, 7152471, 9536628, 14304942, 28609884]

約数ペア:

[(1, 28609884), (2, 14304942), (3, 9536628), (4, 7152471), (6, 4768314), (9, 3178876), (12, 2384157), (18, 1589438), (23, 1243908), (36, 794719), (46, 621954), (69, 414636), (92, 310977), (109, 262476), (138, 207318), (207, 138212), (218, 131238), (276, 103659), (317, 90252), (327, 87492), (414, 69106), (436, 65619), (634, 45126), (654, 43746), (828, 34553), (951, 30084), (981, 29164), (1268, 22563), (1308, 21873), (1902, 15042), (1962, 14582), (2507, 11412), (2853, 10028), (3804, 7521), (3924, 7291), (5014, 5706)]