215168912

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 80

約数和(自身を含む): 494194560

約数和(自身を除く): 279025648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 137, 148, 259, 274, 296, 379, 518, 548, 592, 758, 959, 1036, 1096, 1516, 1918, 2072, 2192, 2653, 3032, 3836, 4144, 5069, 5306, 6064, 7672, 10138, 10612, 14023, 15344, 20276, 21224, 28046, 35483, 40552, 42448, 51923, 56092, 70966, 81104, 98161, 103846, 112184, 141932, 196322, 207692, 224368, 283864, 363461, 392644, 415384, 567728, 726922, 785288, 830768, 1453844, 1570576, 1921151, 2907688, 3842302, 5815376, 7684604, 13448057, 15369208, 26896114, 30738416, 53792228, 107584456, 215168912]

約数ペア:

[(1, 215168912), (2, 107584456), (4, 53792228), (7, 30738416), (8, 26896114), (14, 15369208), (16, 13448057), (28, 7684604), (37, 5815376), (56, 3842302), (74, 2907688), (112, 1921151), (137, 1570576), (148, 1453844), (259, 830768), (274, 785288), (296, 726922), (379, 567728), (518, 415384), (548, 392644), (592, 363461), (758, 283864), (959, 224368), (1036, 207692), (1096, 196322), (1516, 141932), (1918, 112184), (2072, 103846), (2192, 98161), (2653, 81104), (3032, 70966), (3836, 56092), (4144, 51923), (5069, 42448), (5306, 40552), (6064, 35483), (7672, 28046), (10138, 21224), (10612, 20276), (14023, 15344)]