257118732

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{499}}^1$

素因数の和:892

約数の個数: 96

約数和(自身を含む): 721280000

約数和(自身を除く): 464161268

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 367, 468, 499, 702, 734, 998, 1101, 1404, 1468, 1497, 1996, 2202, 2994, 3303, 4404, 4491, 4771, 5988, 6487, 6606, 8982, 9542, 9909, 12974, 13212, 13473, 14313, 17964, 19084, 19461, 19818, 25948, 26946, 28626, 38922, 39636, 42939, 53892, 57252, 58383, 77844, 85878, 116766, 128817, 171756, 175149, 183133, 233532, 257634, 350298, 366266, 515268, 549399, 700596, 732532, 1098798, 1648197, 2197596, 2380729, 3296394, 4761458, 4944591, 6592788, 7142187, 9522916, 9889182, 14284374, 19778364, 21426561, 28568748, 42853122, 64279683, 85706244, 128559366, 257118732]

約数ペア:

[(1, 257118732), (2, 128559366), (3, 85706244), (4, 64279683), (6, 42853122), (9, 28568748), (12, 21426561), (13, 19778364), (18, 14284374), (26, 9889182), (27, 9522916), (36, 7142187), (39, 6592788), (52, 4944591), (54, 4761458), (78, 3296394), (108, 2380729), (117, 2197596), (156, 1648197), (234, 1098798), (351, 732532), (367, 700596), (468, 549399), (499, 515268), (702, 366266), (734, 350298), (998, 257634), (1101, 233532), (1404, 183133), (1468, 175149), (1497, 171756), (1996, 128817), (2202, 116766), (2994, 85878), (3303, 77844), (4404, 58383), (4491, 57252), (4771, 53892), (5988, 42939), (6487, 39636), (6606, 38922), (8982, 28626), (9542, 26946), (9909, 25948), (12974, 19818), (13212, 19461), (13473, 19084), (14313, 17964)]