42379428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^2$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 122325952

約数和(自身を除く): 79946524

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 197, 273, 364, 394, 546, 591, 788, 1092, 1182, 1379, 2364, 2561, 2758, 4137, 5122, 5516, 7683, 8274, 10244, 15366, 16548, 17927, 30732, 35854, 38809, 53781, 71708, 77618, 107562, 116427, 155236, 215124, 232854, 271663, 465708, 504517, 543326, 814989, 1009034, 1086652, 1513551, 1629978, 2018068, 3027102, 3259956, 3531619, 6054204, 7063238, 10594857, 14126476, 21189714, 42379428]

約数ペア:

[(1, 42379428), (2, 21189714), (3, 14126476), (4, 10594857), (6, 7063238), (7, 6054204), (12, 3531619), (13, 3259956), (14, 3027102), (21, 2018068), (26, 1629978), (28, 1513551), (39, 1086652), (42, 1009034), (52, 814989), (78, 543326), (84, 504517), (91, 465708), (156, 271663), (182, 232854), (197, 215124), (273, 155236), (364, 116427), (394, 107562), (546, 77618), (591, 71708), (788, 53781), (1092, 38809), (1182, 35854), (1379, 30732), (2364, 17927), (2561, 16548), (2758, 15366), (4137, 10244), (5122, 8274), (5516, 7683)]