28872072

素因数分解:

$2^3\times 3^3\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:747

約数の個数: 64

約数和(自身を含む): 80640000

約数和(自身を除く): 51767928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 349, 383, 698, 766, 1047, 1149, 1396, 1532, 2094, 2298, 2792, 3064, 3141, 3447, 4188, 4596, 6282, 6894, 8376, 9192, 9423, 10341, 12564, 13788, 18846, 20682, 25128, 27576, 37692, 41364, 75384, 82728, 133667, 267334, 401001, 534668, 802002, 1069336, 1203003, 1604004, 2406006, 3208008, 3609009, 4812012, 7218018, 9624024, 14436036, 28872072]

約数ペア:

[(1, 28872072), (2, 14436036), (3, 9624024), (4, 7218018), (6, 4812012), (8, 3609009), (9, 3208008), (12, 2406006), (18, 1604004), (24, 1203003), (27, 1069336), (36, 802002), (54, 534668), (72, 401001), (108, 267334), (216, 133667), (349, 82728), (383, 75384), (698, 41364), (766, 37692), (1047, 27576), (1149, 25128), (1396, 20682), (1532, 18846), (2094, 13788), (2298, 12564), (2792, 10341), (3064, 9423), (3141, 9192), (3447, 8376), (4188, 6894), (4596, 6282)]