642914115

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 1139650560

約数和(自身を除く): 496736445

約数列:

[1, 3, 5, 15, 19, 31, 53, 57, 93, 95, 155, 159, 265, 285, 465, 589, 795, 1007, 1373, 1643, 1767, 2945, 3021, 4119, 4929, 5035, 6865, 8215, 8835, 15105, 20595, 24645, 26087, 31217, 42563, 72769, 78261, 93651, 127689, 130435, 156085, 212815, 218307, 363845, 391305, 468255, 638445, 808697, 1091535, 1382611, 2255839, 2426091, 4043485, 4147833, 6767517, 6913055, 11279195, 12130455, 20739165, 33837585, 42860941, 128582823, 214304705, 642914115]

約数ペア:

[(1, 642914115), (3, 214304705), (5, 128582823), (15, 42860941), (19, 33837585), (31, 20739165), (53, 12130455), (57, 11279195), (93, 6913055), (95, 6767517), (155, 4147833), (159, 4043485), (265, 2426091), (285, 2255839), (465, 1382611), (589, 1091535), (795, 808697), (1007, 638445), (1373, 468255), (1643, 391305), (1767, 363845), (2945, 218307), (3021, 212815), (4119, 156085), (4929, 130435), (5035, 127689), (6865, 93651), (8215, 78261), (8835, 72769), (15105, 42563), (20595, 31217), (24645, 26087)]