287237678

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 580952064

約数和(自身を除く): 293714386

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 43, 86, 91, 119, 127, 182, 221, 238, 254, 289, 301, 442, 559, 578, 602, 731, 889, 1118, 1462, 1547, 1651, 1778, 2023, 2159, 3094, 3302, 3757, 3913, 4046, 4318, 5117, 5461, 7514, 7826, 9503, 10234, 10922, 11557, 12427, 15113, 19006, 23114, 24854, 26299, 28067, 30226, 36703, 38227, 52598, 56134, 66521, 70993, 73406, 76454, 86989, 92837, 133042, 141986, 161551, 173978, 185674, 196469, 256921, 323102, 392938, 477139, 496951, 513842, 649859, 954278, 993902, 1130857, 1206881, 1299718, 1578229, 2261714, 2413762, 3156458, 3339973, 6679946, 8448167, 11047603, 16896334, 20516977, 22095206, 41033954, 143618839, 287237678]

約数ペア:

[(1, 287237678), (2, 143618839), (7, 41033954), (13, 22095206), (14, 20516977), (17, 16896334), (26, 11047603), (34, 8448167), (43, 6679946), (86, 3339973), (91, 3156458), (119, 2413762), (127, 2261714), (182, 1578229), (221, 1299718), (238, 1206881), (254, 1130857), (289, 993902), (301, 954278), (442, 649859), (559, 513842), (578, 496951), (602, 477139), (731, 392938), (889, 323102), (1118, 256921), (1462, 196469), (1547, 185674), (1651, 173978), (1778, 161551), (2023, 141986), (2159, 133042), (3094, 92837), (3302, 86989), (3757, 76454), (3913, 73406), (4046, 70993), (4318, 66521), (5117, 56134), (5461, 52598), (7514, 38227), (7826, 36703), (9503, 30226), (10234, 28067), (10922, 26299), (11557, 24854), (12427, 23114), (15113, 19006)]