257516892

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1877}}^1$

素因数の和:2027

約数の個数: 72

約数和(自身を含む): 675388896

約数和(自身を除く): 417872004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 103, 111, 148, 206, 222, 309, 333, 412, 444, 618, 666, 927, 1236, 1332, 1854, 1877, 3708, 3754, 3811, 5631, 7508, 7622, 11262, 11433, 15244, 16893, 22524, 22866, 33786, 34299, 45732, 67572, 68598, 69449, 137196, 138898, 193331, 208347, 277796, 386662, 416694, 579993, 625041, 773324, 833388, 1159986, 1250082, 1739979, 2319972, 2500164, 3479958, 6959916, 7153247, 14306494, 21459741, 28612988, 42919482, 64379223, 85838964, 128758446, 257516892]

約数ペア:

[(1, 257516892), (2, 128758446), (3, 85838964), (4, 64379223), (6, 42919482), (9, 28612988), (12, 21459741), (18, 14306494), (36, 7153247), (37, 6959916), (74, 3479958), (103, 2500164), (111, 2319972), (148, 1739979), (206, 1250082), (222, 1159986), (309, 833388), (333, 773324), (412, 625041), (444, 579993), (618, 416694), (666, 386662), (927, 277796), (1236, 208347), (1332, 193331), (1854, 138898), (1877, 137196), (3708, 69449), (3754, 68598), (3811, 67572), (5631, 45732), (7508, 34299), (7622, 33786), (11262, 22866), (11433, 22524), (15244, 16893)]