399199168

素因数分解:

$2^6\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 84

約数和(自身を含む): 853391232

約数和(自身を除く): 454192064

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 113, 136, 191, 226, 272, 289, 382, 452, 544, 578, 764, 904, 1088, 1156, 1528, 1808, 1921, 2312, 3056, 3247, 3616, 3842, 4624, 6112, 6494, 7232, 7684, 9248, 12224, 12988, 15368, 18496, 21583, 25976, 30736, 32657, 43166, 51952, 55199, 61472, 65314, 86332, 103904, 110398, 122944, 130628, 172664, 207808, 220796, 261256, 345328, 366911, 441592, 522512, 690656, 733822, 883184, 1045024, 1381312, 1467644, 1766368, 2090048, 2935288, 3532736, 5870576, 6237487, 11741152, 12474974, 23482304, 24949948, 49899896, 99799792, 199599584, 399199168]

約数ペア:

[(1, 399199168), (2, 199599584), (4, 99799792), (8, 49899896), (16, 24949948), (17, 23482304), (32, 12474974), (34, 11741152), (64, 6237487), (68, 5870576), (113, 3532736), (136, 2935288), (191, 2090048), (226, 1766368), (272, 1467644), (289, 1381312), (382, 1045024), (452, 883184), (544, 733822), (578, 690656), (764, 522512), (904, 441592), (1088, 366911), (1156, 345328), (1528, 261256), (1808, 220796), (1921, 207808), (2312, 172664), (3056, 130628), (3247, 122944), (3616, 110398), (3842, 103904), (4624, 86332), (6112, 65314), (6494, 61472), (7232, 55199), (7684, 51952), (9248, 43166), (12224, 32657), (12988, 30736), (15368, 25976), (18496, 21583)]