157891328

素因数分解:

$2^8\times 7^2\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 108

約数和(自身を含む): 376786872

約数和(自身を除く): 218895544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 128, 164, 196, 224, 256, 287, 307, 328, 392, 448, 574, 614, 656, 784, 896, 1148, 1228, 1312, 1568, 1792, 2009, 2149, 2296, 2456, 2624, 3136, 4018, 4298, 4592, 4912, 5248, 6272, 8036, 8596, 9184, 9824, 10496, 12544, 12587, 15043, 16072, 17192, 18368, 19648, 25174, 30086, 32144, 34384, 36736, 39296, 50348, 60172, 64288, 68768, 73472, 78592, 88109, 100696, 120344, 128576, 137536, 176218, 201392, 240688, 257152, 275072, 352436, 402784, 481376, 514304, 550144, 616763, 704872, 805568, 962752, 1233526, 1409744, 1611136, 1925504, 2467052, 2819488, 3222272, 3851008, 4934104, 5638976, 9868208, 11277952, 19736416, 22555904, 39472832, 78945664, 157891328]

約数ペア:

[(1, 157891328), (2, 78945664), (4, 39472832), (7, 22555904), (8, 19736416), (14, 11277952), (16, 9868208), (28, 5638976), (32, 4934104), (41, 3851008), (49, 3222272), (56, 2819488), (64, 2467052), (82, 1925504), (98, 1611136), (112, 1409744), (128, 1233526), (164, 962752), (196, 805568), (224, 704872), (256, 616763), (287, 550144), (307, 514304), (328, 481376), (392, 402784), (448, 352436), (574, 275072), (614, 257152), (656, 240688), (784, 201392), (896, 176218), (1148, 137536), (1228, 128576), (1312, 120344), (1568, 100696), (1792, 88109), (2009, 78592), (2149, 73472), (2296, 68768), (2456, 64288), (2624, 60172), (3136, 50348), (4018, 39296), (4298, 36736), (4592, 34384), (4912, 32144), (5248, 30086), (6272, 25174), (8036, 19648), (8596, 18368), (9184, 17192), (9824, 16072), (10496, 15043), (12544, 12587)]