991791.0000000

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1291}}^1$

素因数の和:1317

約数の個数: 48

約数和(自身を含む): 4558176

約数和(自身を除く): 2947008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 1291, 2582, 3873, 5164, 7746, 10328, 15492, 16783, 20656, 30984, 33566, 41312, 50349, 61968, 67132, 100698, 123936, 134264, 201396, 268528, 402792, 537056, 805584, 1611168]

約数ペア:

[(1, 1611168), (2, 805584), (3, 537056), (4, 402792), (6, 268528), (8, 201396), (12, 134264), (13, 123936), (16, 100698), (24, 67132), (26, 61968), (32, 50349), (39, 41312), (48, 33566), (52, 30984), (78, 20656), (96, 16783), (104, 15492), (156, 10328), (208, 7746), (312, 5164), (416, 3873), (624, 2582), (1248, 1291)]