71379828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3547}}^1$

素因数の和:3613

約数の個数: 72

約数和(自身を含む): 198886688

約数和(自身を除く): 127506860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 3547, 5031, 6708, 7094, 10062, 10641, 14188, 20124, 21282, 31923, 42564, 46111, 63846, 92222, 127692, 138333, 152521, 184444, 276666, 305042, 414999, 457563, 553332, 610084, 829998, 915126, 1372689, 1659996, 1830252, 1982773, 2745378, 3965546, 5490756, 5948319, 7931092, 11896638, 17844957, 23793276, 35689914, 71379828]

約数ペア:

[(1, 71379828), (2, 35689914), (3, 23793276), (4, 17844957), (6, 11896638), (9, 7931092), (12, 5948319), (13, 5490756), (18, 3965546), (26, 2745378), (36, 1982773), (39, 1830252), (43, 1659996), (52, 1372689), (78, 915126), (86, 829998), (117, 610084), (129, 553332), (156, 457563), (172, 414999), (234, 305042), (258, 276666), (387, 184444), (468, 152521), (516, 138333), (559, 127692), (774, 92222), (1118, 63846), (1548, 46111), (1677, 42564), (2236, 31923), (3354, 21282), (3547, 20124), (5031, 14188), (6708, 10641), (7094, 10062)]