287386911724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{331}}^1\times {\mathrm{421}}^1\times {\mathrm{4261}}^1$

素因数の和:5039

約数の個数: 72

約数和(自身を含む): 555921743888

約数和(自身を除く): 268534832164

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 331, 421, 484, 662, 842, 1324, 1684, 3641, 4261, 4631, 7282, 8522, 9262, 14564, 17044, 18524, 40051, 46871, 50941, 80102, 93742, 101882, 139351, 160204, 187484, 203764, 278702, 515581, 557404, 1031162, 1410391, 1532861, 1793881, 2062324, 2820782, 3065722, 3587762, 5641564, 6131444, 7175524, 15514301, 16861471, 19732691, 31028602, 33722942, 39465382, 62057204, 67445884, 78930764, 170657311, 217059601, 341314622, 434119202, 593774611, 682629244, 868238404, 1187549222, 2375098444, 6531520721, 13063041442, 26126082884, 71846727931, 143693455862, 287386911724]

約数ペア:

[(1, 287386911724), (2, 143693455862), (4, 71846727931), (11, 26126082884), (22, 13063041442), (44, 6531520721), (121, 2375098444), (242, 1187549222), (331, 868238404), (421, 682629244), (484, 593774611), (662, 434119202), (842, 341314622), (1324, 217059601), (1684, 170657311), (3641, 78930764), (4261, 67445884), (4631, 62057204), (7282, 39465382), (8522, 33722942), (9262, 31028602), (14564, 19732691), (17044, 16861471), (18524, 15514301), (40051, 7175524), (46871, 6131444), (50941, 5641564), (80102, 3587762), (93742, 3065722), (101882, 2820782), (139351, 2062324), (160204, 1793881), (187484, 1532861), (203764, 1410391), (278702, 1031162), (515581, 557404)]