64286388

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 169696800

約数和(自身を除く): 105410412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 139, 174, 261, 278, 348, 417, 443, 522, 556, 834, 886, 1044, 1251, 1329, 1668, 1772, 2502, 2658, 3987, 4031, 5004, 5316, 7974, 8062, 12093, 12847, 15948, 16124, 24186, 25694, 36279, 38541, 48372, 51388, 61577, 72558, 77082, 115623, 123154, 145116, 154164, 184731, 231246, 246308, 369462, 462492, 554193, 738924, 1108386, 1785733, 2216772, 3571466, 5357199, 7142932, 10714398, 16071597, 21428796, 32143194, 64286388]

約数ペア:

[(1, 64286388), (2, 32143194), (3, 21428796), (4, 16071597), (6, 10714398), (9, 7142932), (12, 5357199), (18, 3571466), (29, 2216772), (36, 1785733), (58, 1108386), (87, 738924), (116, 554193), (139, 462492), (174, 369462), (261, 246308), (278, 231246), (348, 184731), (417, 154164), (443, 145116), (522, 123154), (556, 115623), (834, 77082), (886, 72558), (1044, 61577), (1251, 51388), (1329, 48372), (1668, 38541), (1772, 36279), (2502, 25694), (2658, 24186), (3987, 16124), (4031, 15948), (5004, 12847), (5316, 12093), (7974, 8062)]