51685865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 83980800

約数和(自身を除く): 32294935

約数列:

[1, 5, 7, 11, 17, 35, 53, 55, 77, 85, 119, 149, 187, 265, 371, 385, 583, 595, 745, 901, 935, 1043, 1309, 1639, 1855, 2533, 2915, 4081, 4505, 5215, 6307, 6545, 7897, 8195, 9911, 11473, 12665, 17731, 20405, 27863, 31535, 39485, 49555, 55279, 57365, 69377, 86867, 88655, 134249, 139315, 195041, 276395, 346885, 434335, 608069, 671245, 939743, 975205, 1476739, 3040345, 4698715, 7383695, 10337173, 51685865]

約数ペア:

[(1, 51685865), (5, 10337173), (7, 7383695), (11, 4698715), (17, 3040345), (35, 1476739), (53, 975205), (55, 939743), (77, 671245), (85, 608069), (119, 434335), (149, 346885), (187, 276395), (265, 195041), (371, 139315), (385, 134249), (583, 88655), (595, 86867), (745, 69377), (901, 57365), (935, 55279), (1043, 49555), (1309, 39485), (1639, 31535), (1855, 27863), (2533, 20405), (2915, 17731), (4081, 12665), (4505, 11473), (5215, 9911), (6307, 8195), (6545, 7897)]