398946496

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{25237}}^1$

素因数の和:25281

約数の個数: 56

約数和(自身を含む): 897463280

約数和(自身を除く): 498516784

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 25237, 50474, 100948, 201896, 328081, 403792, 479503, 656162, 807584, 959006, 1312324, 1615168, 1918012, 2624648, 3836024, 5249296, 6233539, 7672048, 10498592, 12467078, 15344096, 20997184, 24934156, 30688192, 49868312, 99736624, 199473248, 398946496]

約数ペア:

[(1, 398946496), (2, 199473248), (4, 99736624), (8, 49868312), (13, 30688192), (16, 24934156), (19, 20997184), (26, 15344096), (32, 12467078), (38, 10498592), (52, 7672048), (64, 6233539), (76, 5249296), (104, 3836024), (152, 2624648), (208, 1918012), (247, 1615168), (304, 1312324), (416, 959006), (494, 807584), (608, 656162), (832, 479503), (988, 403792), (1216, 328081), (1976, 201896), (3952, 100948), (7904, 50474), (15808, 25237)]