981695104

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19031}}^1$

素因数の和:19089

約数の個数: 64

約数和(自身を含む): 2174215680

約数和(自身を除く): 1192520576

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 6448, 12896, 19031, 25792, 38062, 51584, 76124, 152248, 247403, 304496, 494806, 589961, 608992, 989612, 1179922, 1217984, 1979224, 2359844, 2435968, 3958448, 4719688, 7669493, 7916896, 9439376, 15338986, 15833792, 18878752, 30677972, 31667584, 37757504, 61355944, 75515008, 122711888, 245423776, 490847552, 981695104]

約数ペア:

[(1, 981695104), (2, 490847552), (4, 245423776), (8, 122711888), (13, 75515008), (16, 61355944), (26, 37757504), (31, 31667584), (32, 30677972), (52, 18878752), (62, 15833792), (64, 15338986), (104, 9439376), (124, 7916896), (128, 7669493), (208, 4719688), (248, 3958448), (403, 2435968), (416, 2359844), (496, 1979224), (806, 1217984), (832, 1179922), (992, 989612), (1612, 608992), (1664, 589961), (1984, 494806), (3224, 304496), (3968, 247403), (6448, 152248), (12896, 76124), (19031, 51584), (25792, 38062)]