201916831438

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^2\times {\mathrm{643}}^1\times {\mathrm{1733}}^1$

素因数の和:2478

約数の個数: 72

約数和(自身を含む): 361477845288

約数和(自身を除く): 159561013850

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 643, 1286, 1733, 1849, 2107, 3466, 3698, 4214, 4501, 9002, 12131, 12943, 24262, 25886, 27649, 31507, 55298, 63014, 74519, 84917, 90601, 149038, 169834, 181202, 193543, 387086, 521633, 1043266, 1114319, 1188907, 1354801, 2228638, 2377814, 2709602, 3204317, 3651431, 6408634, 7302862, 7800233, 8322349, 15600466, 16644698, 22430219, 44860438, 47915717, 54601631, 58256443, 95831434, 109203262, 116512886, 157011533, 314023066, 335410019, 670820038, 2060375831, 2347870133, 4120751662, 4695740266, 14422630817, 28845261634, 100958415719, 201916831438]

約数ペア:

[(1, 201916831438), (2, 100958415719), (7, 28845261634), (14, 14422630817), (43, 4695740266), (49, 4120751662), (86, 2347870133), (98, 2060375831), (301, 670820038), (602, 335410019), (643, 314023066), (1286, 157011533), (1733, 116512886), (1849, 109203262), (2107, 95831434), (3466, 58256443), (3698, 54601631), (4214, 47915717), (4501, 44860438), (9002, 22430219), (12131, 16644698), (12943, 15600466), (24262, 8322349), (25886, 7800233), (27649, 7302862), (31507, 6408634), (55298, 3651431), (63014, 3204317), (74519, 2709602), (84917, 2377814), (90601, 2228638), (149038, 1354801), (169834, 1188907), (181202, 1114319), (193543, 1043266), (387086, 521633)]