1855210357

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 2718261504

約数和(自身を除く): 863051147

約数列:

[1, 7, 11, 13, 17, 53, 77, 91, 119, 121, 143, 187, 221, 289, 371, 583, 689, 847, 901, 1001, 1309, 1331, 1547, 1573, 2023, 2057, 2431, 3179, 3757, 4081, 4823, 6307, 6413, 7579, 9317, 9911, 11011, 11713, 14399, 15317, 17017, 17303, 22253, 22627, 26299, 26741, 34969, 41327, 44891, 53053, 69377, 70543, 81991, 83369, 107219, 109021, 121121, 128843, 158389, 168487, 187187, 199121, 244783, 289289, 294151, 384659, 454597, 493801, 583583, 763147, 901901, 917059, 1179409, 1199231, 1393847, 1417273, 1853357, 2059057, 2190331, 2692613, 3182179, 5000567, 6419413, 8394617, 9920911, 12973499, 15332317, 15590003, 20386927, 24093641, 35003969, 109130021, 142708489, 168655487, 265030051, 1855210357]

約数ペア:

[(1, 1855210357), (7, 265030051), (11, 168655487), (13, 142708489), (17, 109130021), (53, 35003969), (77, 24093641), (91, 20386927), (119, 15590003), (121, 15332317), (143, 12973499), (187, 9920911), (221, 8394617), (289, 6419413), (371, 5000567), (583, 3182179), (689, 2692613), (847, 2190331), (901, 2059057), (1001, 1853357), (1309, 1417273), (1331, 1393847), (1547, 1199231), (1573, 1179409), (2023, 917059), (2057, 901901), (2431, 763147), (3179, 583583), (3757, 493801), (4081, 454597), (4823, 384659), (6307, 294151), (6413, 289289), (7579, 244783), (9317, 199121), (9911, 187187), (11011, 168487), (11713, 158389), (14399, 128843), (15317, 121121), (17017, 109021), (17303, 107219), (22253, 83369), (22627, 81991), (26299, 70543), (26741, 69377), (34969, 53053), (41327, 44891)]