42688324

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 45128636

約数列:

[1, 2, 4, 7, 14, 28, 71, 109, 142, 197, 218, 284, 394, 436, 497, 763, 788, 994, 1379, 1526, 1988, 2758, 3052, 5516, 7739, 13987, 15478, 21473, 27974, 30956, 42946, 54173, 55948, 85892, 97909, 108346, 150311, 195818, 216692, 300622, 391636, 601244, 1524583, 3049166, 6098332, 10672081, 21344162, 42688324]

約数ペア:

[(1, 42688324), (2, 21344162), (4, 10672081), (7, 6098332), (14, 3049166), (28, 1524583), (71, 601244), (109, 391636), (142, 300622), (197, 216692), (218, 195818), (284, 150311), (394, 108346), (436, 97909), (497, 85892), (763, 55948), (788, 54173), (994, 42946), (1379, 30956), (1526, 27974), (1988, 21473), (2758, 15478), (3052, 13987), (5516, 7739)]