256471236

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 144

約数和(自身を含む): 769536768

約数和(自身を除く): 513065532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 103, 123, 126, 164, 206, 241, 246, 252, 287, 309, 369, 412, 482, 492, 574, 618, 721, 723, 738, 861, 927, 964, 1148, 1236, 1442, 1446, 1476, 1687, 1722, 1854, 2163, 2169, 2583, 2884, 2892, 3374, 3444, 3708, 4223, 4326, 4338, 5061, 5166, 6489, 6748, 8446, 8652, 8676, 9881, 10122, 10332, 12669, 12978, 15183, 16892, 19762, 20244, 24823, 25338, 25956, 29561, 29643, 30366, 38007, 39524, 49646, 50676, 59122, 59286, 60732, 69167, 74469, 76014, 88683, 88929, 99292, 118244, 118572, 138334, 148938, 152028, 173761, 177366, 177858, 207501, 223407, 266049, 276668, 297876, 347522, 354732, 355716, 415002, 446814, 521283, 532098, 622503, 695044, 830004, 893628, 1017743, 1042566, 1064196, 1245006, 1563849, 2035486, 2085132, 2490012, 3053229, 3127698, 4070972, 6106458, 6255396, 7124201, 9159687, 12212916, 14248402, 18319374, 21372603, 28496804, 36638748, 42745206, 64117809, 85490412, 128235618, 256471236]

約数ペア:

[(1, 256471236), (2, 128235618), (3, 85490412), (4, 64117809), (6, 42745206), (7, 36638748), (9, 28496804), (12, 21372603), (14, 18319374), (18, 14248402), (21, 12212916), (28, 9159687), (36, 7124201), (41, 6255396), (42, 6106458), (63, 4070972), (82, 3127698), (84, 3053229), (103, 2490012), (123, 2085132), (126, 2035486), (164, 1563849), (206, 1245006), (241, 1064196), (246, 1042566), (252, 1017743), (287, 893628), (309, 830004), (369, 695044), (412, 622503), (482, 532098), (492, 521283), (574, 446814), (618, 415002), (721, 355716), (723, 354732), (738, 347522), (861, 297876), (927, 276668), (964, 266049), (1148, 223407), (1236, 207501), (1442, 177858), (1446, 177366), (1476, 173761), (1687, 152028), (1722, 148938), (1854, 138334), (2163, 118572), (2169, 118244), (2583, 99292), (2884, 88929), (2892, 88683), (3374, 76014), (3444, 74469), (3708, 69167), (4223, 60732), (4326, 59286), (4338, 59122), (5061, 50676), (5166, 49646), (6489, 39524), (6748, 38007), (8446, 30366), (8652, 29643), (8676, 29561), (9881, 25956), (10122, 25338), (10332, 24823), (12669, 20244), (12978, 19762), (15183, 16892)]