388664387524

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{491}}^1\times {\mathrm{212561}}^1$

素因数の和:213089

約数の個数: 72

約数和(自身を含む): 834552421920

約数和(自身を除く): 445888034396

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 491, 532, 931, 982, 1862, 1964, 3437, 3724, 6874, 9329, 13748, 18658, 24059, 37316, 48118, 65303, 96236, 130606, 212561, 261212, 425122, 457121, 850244, 914242, 1487927, 1828484, 2975854, 4038659, 5951708, 8077318, 10415489, 16154636, 20830978, 28270613, 41661956, 56541226, 104367451, 113082452, 197894291, 208734902, 395788582, 417469804, 730572157, 791577164, 1461144314, 1982981569, 2922288628, 3965963138, 5114005099, 7931926276, 10228010198, 13880870983, 20456020396, 27761741966, 55523483932, 97166096881, 194332193762, 388664387524]

約数ペア:

[(1, 388664387524), (2, 194332193762), (4, 97166096881), (7, 55523483932), (14, 27761741966), (19, 20456020396), (28, 13880870983), (38, 10228010198), (49, 7931926276), (76, 5114005099), (98, 3965963138), (133, 2922288628), (196, 1982981569), (266, 1461144314), (491, 791577164), (532, 730572157), (931, 417469804), (982, 395788582), (1862, 208734902), (1964, 197894291), (3437, 113082452), (3724, 104367451), (6874, 56541226), (9329, 41661956), (13748, 28270613), (18658, 20830978), (24059, 16154636), (37316, 10415489), (48118, 8077318), (65303, 5951708), (96236, 4038659), (130606, 2975854), (212561, 1828484), (261212, 1487927), (425122, 914242), (457121, 850244)]