81393372

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1471}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 217002240

約数和(自身を除く): 135608868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 53, 58, 87, 106, 116, 159, 174, 212, 261, 318, 348, 477, 522, 636, 954, 1044, 1471, 1537, 1908, 2942, 3074, 4413, 4611, 5884, 6148, 8826, 9222, 13239, 13833, 17652, 18444, 26478, 27666, 42659, 52956, 55332, 77963, 85318, 127977, 155926, 170636, 233889, 255954, 311852, 383931, 467778, 511908, 701667, 767862, 935556, 1403334, 1535724, 2260927, 2806668, 4521854, 6782781, 9043708, 13565562, 20348343, 27131124, 40696686, 81393372]

約数ペア:

[(1, 81393372), (2, 40696686), (3, 27131124), (4, 20348343), (6, 13565562), (9, 9043708), (12, 6782781), (18, 4521854), (29, 2806668), (36, 2260927), (53, 1535724), (58, 1403334), (87, 935556), (106, 767862), (116, 701667), (159, 511908), (174, 467778), (212, 383931), (261, 311852), (318, 255954), (348, 233889), (477, 170636), (522, 155926), (636, 127977), (954, 85318), (1044, 77963), (1471, 55332), (1537, 52956), (1908, 42659), (2942, 27666), (3074, 26478), (4413, 18444), (4611, 17652), (5884, 13833), (6148, 13239), (8826, 9222)]