644696244

素因数分解:

$2^2\times 3^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{1951}}^1$

素因数の和:2165

約数の個数: 72

約数和(自身を含む): 1666898688

約数和(自身を除く): 1022202444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 67, 134, 137, 201, 268, 274, 402, 411, 548, 603, 804, 822, 1206, 1233, 1644, 1951, 2412, 2466, 3902, 4932, 5853, 7804, 9179, 11706, 17559, 18358, 23412, 27537, 35118, 36716, 55074, 70236, 82611, 110148, 130717, 165222, 261434, 267287, 330444, 392151, 522868, 534574, 784302, 801861, 1069148, 1176453, 1568604, 1603722, 2352906, 2405583, 3207444, 4705812, 4811166, 9622332, 17908229, 35816458, 53724687, 71632916, 107449374, 161174061, 214898748, 322348122, 644696244]

約数ペア:

[(1, 644696244), (2, 322348122), (3, 214898748), (4, 161174061), (6, 107449374), (9, 71632916), (12, 53724687), (18, 35816458), (36, 17908229), (67, 9622332), (134, 4811166), (137, 4705812), (201, 3207444), (268, 2405583), (274, 2352906), (402, 1603722), (411, 1568604), (548, 1176453), (603, 1069148), (804, 801861), (822, 784302), (1206, 534574), (1233, 522868), (1644, 392151), (1951, 330444), (2412, 267287), (2466, 261434), (3902, 165222), (4932, 130717), (5853, 110148), (7804, 82611), (9179, 70236), (11706, 55074), (17559, 36716), (18358, 35118), (23412, 27537)]