287201356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{277}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 550982656

約数和(自身を除く): 263781300

約数列:

[1, 2, 4, 13, 26, 52, 127, 157, 254, 277, 314, 508, 554, 628, 1108, 1651, 2041, 3302, 3601, 4082, 6604, 7202, 8164, 14404, 19939, 35179, 39878, 43489, 70358, 79756, 86978, 140716, 173956, 259207, 457327, 518414, 565357, 914654, 1036828, 1130714, 1829308, 2261428, 5523103, 11046206, 22092412, 71800339, 143600678, 287201356]

約数ペア:

[(1, 287201356), (2, 143600678), (4, 71800339), (13, 22092412), (26, 11046206), (52, 5523103), (127, 2261428), (157, 1829308), (254, 1130714), (277, 1036828), (314, 914654), (508, 565357), (554, 518414), (628, 457327), (1108, 259207), (1651, 173956), (2041, 140716), (3302, 86978), (3601, 79756), (4082, 70358), (6604, 43489), (7202, 39878), (8164, 35179), (14404, 19939)]