16783974

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 38548224

約数和(自身を除く): 21764250

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 414, 426, 571, 639, 1142, 1278, 1633, 1713, 3266, 3426, 4899, 5139, 9798, 10278, 13133, 14697, 26266, 29394, 39399, 40541, 78798, 81082, 118197, 121623, 236394, 243246, 364869, 729738, 932443, 1864886, 2797329, 5594658, 8391987, 16783974]

約数ペア:

[(1, 16783974), (2, 8391987), (3, 5594658), (6, 2797329), (9, 1864886), (18, 932443), (23, 729738), (46, 364869), (69, 243246), (71, 236394), (138, 121623), (142, 118197), (207, 81082), (213, 78798), (414, 40541), (426, 39399), (571, 29394), (639, 26266), (1142, 14697), (1278, 13133), (1633, 10278), (1713, 9798), (3266, 5139), (3426, 4899)]