128990196

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:965

約数の個数: 72

約数和(自身を含む): 337296960

約数和(自身を除く): 208306764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 103, 129, 172, 206, 258, 309, 387, 412, 516, 618, 774, 809, 927, 1236, 1548, 1618, 1854, 2427, 3236, 3708, 4429, 4854, 7281, 8858, 9708, 13287, 14562, 17716, 26574, 29124, 34787, 39861, 53148, 69574, 79722, 83327, 104361, 139148, 159444, 166654, 208722, 249981, 313083, 333308, 417444, 499962, 626166, 749943, 999924, 1252332, 1499886, 2999772, 3583061, 7166122, 10749183, 14332244, 21498366, 32247549, 42996732, 64495098, 128990196]

約数ペア:

[(1, 128990196), (2, 64495098), (3, 42996732), (4, 32247549), (6, 21498366), (9, 14332244), (12, 10749183), (18, 7166122), (36, 3583061), (43, 2999772), (86, 1499886), (103, 1252332), (129, 999924), (172, 749943), (206, 626166), (258, 499962), (309, 417444), (387, 333308), (412, 313083), (516, 249981), (618, 208722), (774, 166654), (809, 159444), (927, 139148), (1236, 104361), (1548, 83327), (1618, 79722), (1854, 69574), (2427, 53148), (3236, 39861), (3708, 34787), (4429, 29124), (4854, 26574), (7281, 17716), (8858, 14562), (9708, 13287)]