398298140656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1\times {\mathrm{32441}}^1$

素因数の和:33410

約数の個数: 80

約数和(自身を含む): 844451764128

約数和(自身を除く): 446153623472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 881, 1072, 1742, 1762, 3484, 3524, 6968, 7048, 11453, 13936, 14096, 22906, 32441, 45812, 59027, 64882, 91624, 118054, 129764, 183248, 236108, 259528, 421733, 472216, 519056, 767351, 843466, 944432, 1534702, 1686932, 2173547, 3069404, 3373864, 4347094, 6138808, 6747728, 8694188, 12277616, 17388376, 28256111, 28580521, 34776752, 56512222, 57161042, 113024444, 114322084, 226048888, 228644168, 371546773, 452097776, 457288336, 743093546, 1486187092, 1914894907, 2972374184, 3829789814, 5944748368, 7659579628, 15319159256, 24893633791, 30638318512, 49787267582, 99574535164, 199149070328, 398298140656]

約数ペア:

[(1, 398298140656), (2, 199149070328), (4, 99574535164), (8, 49787267582), (13, 30638318512), (16, 24893633791), (26, 15319159256), (52, 7659579628), (67, 5944748368), (104, 3829789814), (134, 2972374184), (208, 1914894907), (268, 1486187092), (536, 743093546), (871, 457288336), (881, 452097776), (1072, 371546773), (1742, 228644168), (1762, 226048888), (3484, 114322084), (3524, 113024444), (6968, 57161042), (7048, 56512222), (11453, 34776752), (13936, 28580521), (14096, 28256111), (22906, 17388376), (32441, 12277616), (45812, 8694188), (59027, 6747728), (64882, 6138808), (91624, 4347094), (118054, 3373864), (129764, 3069404), (183248, 2173547), (236108, 1686932), (259528, 1534702), (421733, 944432), (472216, 843466), (519056, 767351)]