78978896

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4259}}^1$

素因数の和:4347

約数の個数: 40

約数和(自身を含む): 163754400

約数和(自身を除く): 84775504

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4259, 4636, 8518, 9272, 17036, 18544, 34072, 68144, 80921, 161842, 259799, 323684, 519598, 647368, 1039196, 1294736, 2078392, 4156784, 4936181, 9872362, 19744724, 39489448, 78978896]

約数ペア:

[(1, 78978896), (2, 39489448), (4, 19744724), (8, 9872362), (16, 4936181), (19, 4156784), (38, 2078392), (61, 1294736), (76, 1039196), (122, 647368), (152, 519598), (244, 323684), (304, 259799), (488, 161842), (976, 80921), (1159, 68144), (2318, 34072), (4259, 18544), (4636, 17036), (8518, 9272)]