25804511458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{2819}}^1$

素因数の和:3271

約数の個数: 64

約数和(自身を含む): 45318528000

約数和(自身を除く): 19514016542

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 359, 418, 671, 718, 1159, 1342, 2318, 2819, 3949, 5638, 6821, 7898, 12749, 13642, 21899, 25498, 31009, 43798, 53561, 62018, 75031, 107122, 150062, 171959, 240889, 343918, 416081, 481778, 589171, 832162, 1012021, 1178342, 1891549, 2024042, 3267221, 3783098, 4576891, 6534442, 9153782, 11132231, 19228399, 22264462, 35939431, 38456798, 61733281, 71878862, 123466562, 211512389, 423024778, 679066091, 1172932339, 1358132182, 2345864678, 12902255729, 25804511458]

約数ペア:

[(1, 25804511458), (2, 12902255729), (11, 2345864678), (19, 1358132182), (22, 1172932339), (38, 679066091), (61, 423024778), (122, 211512389), (209, 123466562), (359, 71878862), (418, 61733281), (671, 38456798), (718, 35939431), (1159, 22264462), (1342, 19228399), (2318, 11132231), (2819, 9153782), (3949, 6534442), (5638, 4576891), (6821, 3783098), (7898, 3267221), (12749, 2024042), (13642, 1891549), (21899, 1178342), (25498, 1012021), (31009, 832162), (43798, 589171), (53561, 481778), (62018, 416081), (75031, 343918), (107122, 240889), (150062, 171959)]