399407424

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{160019}}^1$

素因数の和:160047

約数の個数: 56

約数和(自身を含む): 1138062240

約数和(自身を除く): 738654816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 160019, 320038, 480057, 640076, 960114, 1280152, 1920228, 2080247, 2560304, 3840456, 4160494, 5120608, 6240741, 7680912, 8320988, 10241216, 12481482, 15361824, 16641976, 24962964, 30723648, 33283952, 49925928, 66567904, 99851856, 133135808, 199703712, 399407424]

約数ペア:

[(1, 399407424), (2, 199703712), (3, 133135808), (4, 99851856), (6, 66567904), (8, 49925928), (12, 33283952), (13, 30723648), (16, 24962964), (24, 16641976), (26, 15361824), (32, 12481482), (39, 10241216), (48, 8320988), (52, 7680912), (64, 6240741), (78, 5120608), (96, 4160494), (104, 3840456), (156, 2560304), (192, 2080247), (208, 1920228), (312, 1280152), (416, 960114), (624, 640076), (832, 480057), (1248, 320038), (2496, 160019)]