13031408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 29331456

約数和(自身を除く): 16300048

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 43, 47, 52, 62, 86, 94, 104, 124, 172, 188, 208, 248, 344, 376, 403, 496, 559, 611, 688, 752, 806, 1118, 1222, 1333, 1457, 1612, 2021, 2236, 2444, 2666, 2914, 3224, 4042, 4472, 4888, 5332, 5828, 6448, 8084, 8944, 9776, 10664, 11656, 16168, 17329, 18941, 21328, 23312, 26273, 32336, 34658, 37882, 52546, 62651, 69316, 75764, 105092, 125302, 138632, 151528, 210184, 250604, 277264, 303056, 420368, 501208, 814463, 1002416, 1628926, 3257852, 6515704, 13031408]

約数ペア:

[(1, 13031408), (2, 6515704), (4, 3257852), (8, 1628926), (13, 1002416), (16, 814463), (26, 501208), (31, 420368), (43, 303056), (47, 277264), (52, 250604), (62, 210184), (86, 151528), (94, 138632), (104, 125302), (124, 105092), (172, 75764), (188, 69316), (208, 62651), (248, 52546), (344, 37882), (376, 34658), (403, 32336), (496, 26273), (559, 23312), (611, 21328), (688, 18941), (752, 17329), (806, 16168), (1118, 11656), (1222, 10664), (1333, 9776), (1457, 8944), (1612, 8084), (2021, 6448), (2236, 5828), (2444, 5332), (2666, 4888), (2914, 4472), (3224, 4042)]