394663168

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 811059200

約数和(自身を除く): 416396032

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 127, 128, 199, 244, 254, 256, 398, 488, 508, 796, 976, 1016, 1592, 1952, 2032, 3184, 3904, 4064, 6368, 7747, 7808, 8128, 12139, 12736, 15494, 15616, 16256, 24278, 25273, 25472, 30988, 32512, 48556, 50546, 50944, 61976, 97112, 101092, 123952, 194224, 202184, 247904, 388448, 404368, 495808, 776896, 808736, 991616, 1541653, 1553792, 1617472, 1983232, 3083306, 3107584, 3234944, 6166612, 6469888, 12333224, 24666448, 49332896, 98665792, 197331584, 394663168]

約数ペア:

[(1, 394663168), (2, 197331584), (4, 98665792), (8, 49332896), (16, 24666448), (32, 12333224), (61, 6469888), (64, 6166612), (122, 3234944), (127, 3107584), (128, 3083306), (199, 1983232), (244, 1617472), (254, 1553792), (256, 1541653), (398, 991616), (488, 808736), (508, 776896), (796, 495808), (976, 404368), (1016, 388448), (1592, 247904), (1952, 202184), (2032, 194224), (3184, 123952), (3904, 101092), (4064, 97112), (6368, 61976), (7747, 50944), (7808, 50546), (8128, 48556), (12139, 32512), (12736, 30988), (15494, 25472), (15616, 25273), (16256, 24278)]