397975552

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 112

約数和(自身を含む): 889007112

約数和(自身を除く): 491031560

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 101, 104, 128, 148, 202, 208, 256, 296, 404, 416, 481, 512, 592, 808, 832, 962, 1024, 1184, 1313, 1616, 1664, 1924, 2048, 2368, 2626, 3232, 3328, 3737, 3848, 4096, 4736, 5252, 6464, 6656, 7474, 7696, 8192, 9472, 10504, 12928, 13312, 14948, 15392, 18944, 21008, 25856, 26624, 29896, 30784, 37888, 42016, 48581, 51712, 53248, 59792, 61568, 75776, 84032, 97162, 103424, 106496, 119584, 123136, 151552, 168064, 194324, 206848, 239168, 246272, 303104, 336128, 388648, 413696, 478336, 492544, 672256, 777296, 827392, 956672, 985088, 1344512, 1554592, 1913344, 1970176, 2689024, 3109184, 3826688, 3940352, 5378048, 6218368, 7653376, 10756096, 12436736, 15306752, 24873472, 30613504, 49746944, 99493888, 198987776, 397975552]

約数ペア:

[(1, 397975552), (2, 198987776), (4, 99493888), (8, 49746944), (13, 30613504), (16, 24873472), (26, 15306752), (32, 12436736), (37, 10756096), (52, 7653376), (64, 6218368), (74, 5378048), (101, 3940352), (104, 3826688), (128, 3109184), (148, 2689024), (202, 1970176), (208, 1913344), (256, 1554592), (296, 1344512), (404, 985088), (416, 956672), (481, 827392), (512, 777296), (592, 672256), (808, 492544), (832, 478336), (962, 413696), (1024, 388648), (1184, 336128), (1313, 303104), (1616, 246272), (1664, 239168), (1924, 206848), (2048, 194324), (2368, 168064), (2626, 151552), (3232, 123136), (3328, 119584), (3737, 106496), (3848, 103424), (4096, 97162), (4736, 84032), (5252, 75776), (6464, 61568), (6656, 59792), (7474, 53248), (7696, 51712), (8192, 48581), (9472, 42016), (10504, 37888), (12928, 30784), (13312, 29896), (14948, 26624), (15392, 25856), (18944, 21008)]