398423376

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1001

約数の個数: 120

約数和(自身を含む): 1206304736

約数和(自身を除く): 807881360

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 331, 468, 624, 643, 662, 936, 993, 1286, 1324, 1872, 1929, 1986, 2572, 2648, 2979, 3858, 3972, 4303, 5144, 5296, 5787, 5958, 7716, 7944, 8359, 8606, 10288, 11574, 11916, 12909, 15432, 15888, 16718, 17212, 23148, 23832, 25077, 25818, 30864, 33436, 34424, 38727, 46296, 47664, 50154, 51636, 66872, 68848, 75231, 77454, 92592, 100308, 103272, 133744, 150462, 154908, 200616, 206544, 212833, 300924, 309816, 401232, 425666, 601848, 619632, 638499, 851332, 1203696, 1276998, 1702664, 1915497, 2553996, 2766829, 3405328, 3830994, 5107992, 5533658, 7661988, 8300487, 10215984, 11067316, 15323976, 16600974, 22134632, 24901461, 30647952, 33201948, 44269264, 49802922, 66403896, 99605844, 132807792, 199211688, 398423376]

約数ペア:

[(1, 398423376), (2, 199211688), (3, 132807792), (4, 99605844), (6, 66403896), (8, 49802922), (9, 44269264), (12, 33201948), (13, 30647952), (16, 24901461), (18, 22134632), (24, 16600974), (26, 15323976), (36, 11067316), (39, 10215984), (48, 8300487), (52, 7661988), (72, 5533658), (78, 5107992), (104, 3830994), (117, 3405328), (144, 2766829), (156, 2553996), (208, 1915497), (234, 1702664), (312, 1276998), (331, 1203696), (468, 851332), (624, 638499), (643, 619632), (662, 601848), (936, 425666), (993, 401232), (1286, 309816), (1324, 300924), (1872, 212833), (1929, 206544), (1986, 200616), (2572, 154908), (2648, 150462), (2979, 133744), (3858, 103272), (3972, 100308), (4303, 92592), (5144, 77454), (5296, 75231), (5787, 68848), (5958, 66872), (7716, 51636), (7944, 50154), (8359, 47664), (8606, 46296), (10288, 38727), (11574, 34424), (11916, 33436), (12909, 30864), (15432, 25818), (15888, 25077), (16718, 23832), (17212, 23148)]