393910688

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{269}}^1\times {\mathrm{683}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 791169120

約数和(自身を除く): 397258432

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 269, 536, 538, 683, 1072, 1076, 1366, 2144, 2152, 2732, 4304, 5464, 8608, 10928, 18023, 21856, 36046, 45761, 72092, 91522, 144184, 183044, 183727, 288368, 366088, 367454, 576736, 732176, 734908, 1464352, 1469816, 2939632, 5879264, 12309709, 24619418, 49238836, 98477672, 196955344, 393910688]

約数ペア:

[(1, 393910688), (2, 196955344), (4, 98477672), (8, 49238836), (16, 24619418), (32, 12309709), (67, 5879264), (134, 2939632), (268, 1469816), (269, 1464352), (536, 734908), (538, 732176), (683, 576736), (1072, 367454), (1076, 366088), (1366, 288368), (2144, 183727), (2152, 183044), (2732, 144184), (4304, 91522), (5464, 72092), (8608, 45761), (10928, 36046), (18023, 21856)]