1581004048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{3761}}^1$

素因数の和:3872

約数の個数: 80

約数和(自身を含む): 3448279296

約数和(自身を除く): 1867275248

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 47, 52, 86, 94, 104, 172, 188, 208, 344, 376, 559, 611, 688, 752, 1118, 1222, 2021, 2236, 2444, 3761, 4042, 4472, 4888, 7522, 8084, 8944, 9776, 15044, 16168, 26273, 30088, 32336, 48893, 52546, 60176, 97786, 105092, 161723, 176767, 195572, 210184, 323446, 353534, 391144, 420368, 646892, 707068, 782288, 1293784, 1414136, 2102399, 2297971, 2587568, 2828272, 4204798, 4595942, 7600981, 8409596, 9191884, 15201962, 16819192, 18383768, 30403924, 33638384, 36767536, 60807848, 98812753, 121615696, 197625506, 395251012, 790502024, 1581004048]

約数ペア:

[(1, 1581004048), (2, 790502024), (4, 395251012), (8, 197625506), (13, 121615696), (16, 98812753), (26, 60807848), (43, 36767536), (47, 33638384), (52, 30403924), (86, 18383768), (94, 16819192), (104, 15201962), (172, 9191884), (188, 8409596), (208, 7600981), (344, 4595942), (376, 4204798), (559, 2828272), (611, 2587568), (688, 2297971), (752, 2102399), (1118, 1414136), (1222, 1293784), (2021, 782288), (2236, 707068), (2444, 646892), (3761, 420368), (4042, 391144), (4472, 353534), (4888, 323446), (7522, 210184), (8084, 195572), (8944, 176767), (9776, 161723), (15044, 105092), (16168, 97786), (26273, 60176), (30088, 52546), (32336, 48893)]