1388404784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3109}}^1$

素因数の和:3262

約数の個数: 80

約数和(自身を含む): 3077407200

約数和(自身を除く): 1689002416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 113, 152, 208, 226, 247, 304, 452, 494, 904, 988, 1469, 1808, 1976, 2147, 2938, 3109, 3952, 4294, 5876, 6218, 8588, 11752, 12436, 17176, 23504, 24872, 27911, 34352, 40417, 49744, 55822, 59071, 80834, 111644, 118142, 161668, 223288, 236284, 323336, 351317, 446576, 472568, 646672, 702634, 767923, 945136, 1405268, 1535846, 2810536, 3071692, 4567121, 5621072, 6143384, 6675023, 9134242, 12286768, 13350046, 18268484, 26700092, 36536968, 53400184, 73073936, 86775299, 106800368, 173550598, 347101196, 694202392, 1388404784]

約数ペア:

[(1, 1388404784), (2, 694202392), (4, 347101196), (8, 173550598), (13, 106800368), (16, 86775299), (19, 73073936), (26, 53400184), (38, 36536968), (52, 26700092), (76, 18268484), (104, 13350046), (113, 12286768), (152, 9134242), (208, 6675023), (226, 6143384), (247, 5621072), (304, 4567121), (452, 3071692), (494, 2810536), (904, 1535846), (988, 1405268), (1469, 945136), (1808, 767923), (1976, 702634), (2147, 646672), (2938, 472568), (3109, 446576), (3952, 351317), (4294, 323336), (5876, 236284), (6218, 223288), (8588, 161668), (11752, 118142), (12436, 111644), (17176, 80834), (23504, 59071), (24872, 55822), (27911, 49744), (34352, 40417)]