248455856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 557107200

約数和(自身を除く): 308651344

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 191, 209, 304, 382, 389, 418, 764, 778, 836, 1528, 1556, 1672, 2101, 3056, 3112, 3344, 3629, 4202, 4279, 6224, 7258, 7391, 8404, 8558, 14516, 14782, 16808, 17116, 29032, 29564, 33616, 34232, 39919, 58064, 59128, 68464, 74299, 79838, 81301, 118256, 148598, 159676, 162602, 297196, 319352, 325204, 594392, 638704, 650408, 817289, 1188784, 1300816, 1411681, 1634578, 2823362, 3269156, 5646724, 6538312, 11293448, 13076624, 15528491, 22586896, 31056982, 62113964, 124227928, 248455856]

約数ペア:

[(1, 248455856), (2, 124227928), (4, 62113964), (8, 31056982), (11, 22586896), (16, 15528491), (19, 13076624), (22, 11293448), (38, 6538312), (44, 5646724), (76, 3269156), (88, 2823362), (152, 1634578), (176, 1411681), (191, 1300816), (209, 1188784), (304, 817289), (382, 650408), (389, 638704), (418, 594392), (764, 325204), (778, 319352), (836, 297196), (1528, 162602), (1556, 159676), (1672, 148598), (2101, 118256), (3056, 81301), (3112, 79838), (3344, 74299), (3629, 68464), (4202, 59128), (4279, 58064), (6224, 39919), (7258, 34232), (7391, 33616), (8404, 29564), (8558, 29032), (14516, 17116), (14782, 16808)]