253977416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 638668800

約数和(自身を除く): 384691384

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 79, 88, 119, 136, 154, 158, 187, 238, 307, 308, 316, 374, 476, 553, 614, 616, 632, 748, 869, 952, 1106, 1228, 1309, 1343, 1496, 1738, 2149, 2212, 2456, 2618, 2686, 3377, 3476, 4298, 4424, 5219, 5236, 5372, 6083, 6754, 6952, 8596, 9401, 10438, 10472, 10744, 12166, 13508, 14773, 17192, 18802, 20876, 23639, 24253, 24332, 27016, 29546, 36533, 37604, 41752, 47278, 48506, 48664, 57409, 59092, 73066, 75208, 94556, 97012, 103411, 114818, 118184, 146132, 169771, 189112, 194024, 206822, 229636, 266783, 292264, 339542, 401863, 412301, 413644, 459272, 533566, 679084, 803726, 824602, 827288, 1067132, 1358168, 1607452, 1649204, 1867481, 2134264, 2886107, 3214904, 3298408, 3734962, 4535311, 5772214, 7469924, 9070622, 11544428, 14939848, 18141244, 23088856, 31747177, 36282488, 63494354, 126988708, 253977416]

約数ペア:

[(1, 253977416), (2, 126988708), (4, 63494354), (7, 36282488), (8, 31747177), (11, 23088856), (14, 18141244), (17, 14939848), (22, 11544428), (28, 9070622), (34, 7469924), (44, 5772214), (56, 4535311), (68, 3734962), (77, 3298408), (79, 3214904), (88, 2886107), (119, 2134264), (136, 1867481), (154, 1649204), (158, 1607452), (187, 1358168), (238, 1067132), (307, 827288), (308, 824602), (316, 803726), (374, 679084), (476, 533566), (553, 459272), (614, 413644), (616, 412301), (632, 401863), (748, 339542), (869, 292264), (952, 266783), (1106, 229636), (1228, 206822), (1309, 194024), (1343, 189112), (1496, 169771), (1738, 146132), (2149, 118184), (2212, 114818), (2456, 103411), (2618, 97012), (2686, 94556), (3377, 75208), (3476, 73066), (4298, 59092), (4424, 57409), (5219, 48664), (5236, 48506), (5372, 47278), (6083, 41752), (6754, 37604), (6952, 36533), (8596, 29546), (9401, 27016), (10438, 24332), (10472, 24253), (10744, 23639), (12166, 20876), (13508, 18802), (14773, 17192)]