321171656

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 688665600

約数和(自身を除く): 367493944

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 79, 97, 104, 124, 158, 169, 194, 248, 316, 338, 388, 403, 632, 676, 776, 806, 1027, 1261, 1352, 1612, 2054, 2449, 2522, 3007, 3224, 4108, 4898, 5044, 5239, 6014, 7663, 8216, 9796, 10088, 10478, 12028, 13351, 15326, 16393, 19592, 20956, 24056, 26702, 30652, 31837, 32786, 39091, 41912, 53404, 61304, 63674, 65572, 78182, 99619, 106808, 127348, 131144, 156364, 199238, 237553, 254696, 312728, 398476, 413881, 475106, 508183, 796952, 827762, 950212, 1016366, 1295047, 1655524, 1900424, 2032732, 2590094, 3088189, 3311048, 4065464, 5180188, 6176378, 10360376, 12352756, 24705512, 40146457, 80292914, 160585828, 321171656]

約数ペア:

[(1, 321171656), (2, 160585828), (4, 80292914), (8, 40146457), (13, 24705512), (26, 12352756), (31, 10360376), (52, 6176378), (62, 5180188), (79, 4065464), (97, 3311048), (104, 3088189), (124, 2590094), (158, 2032732), (169, 1900424), (194, 1655524), (248, 1295047), (316, 1016366), (338, 950212), (388, 827762), (403, 796952), (632, 508183), (676, 475106), (776, 413881), (806, 398476), (1027, 312728), (1261, 254696), (1352, 237553), (1612, 199238), (2054, 156364), (2449, 131144), (2522, 127348), (3007, 106808), (3224, 99619), (4108, 78182), (4898, 65572), (5044, 63674), (5239, 61304), (6014, 53404), (7663, 41912), (8216, 39091), (9796, 32786), (10088, 31837), (10478, 30652), (12028, 26702), (13351, 24056), (15326, 20956), (16393, 19592)]