81140904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{86689}}^1$

素因数の和:86714

約数の個数: 48

約数和(自身を含む): 236663700

約数和(自身を除く): 155522796

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 86689, 173378, 260067, 346756, 520134, 693512, 780201, 1040268, 1126957, 1560402, 2080536, 2253914, 3120804, 3380871, 4507828, 6241608, 6761742, 9015656, 10142613, 13523484, 20285226, 27046968, 40570452, 81140904]

約数ペア:

[(1, 81140904), (2, 40570452), (3, 27046968), (4, 20285226), (6, 13523484), (8, 10142613), (9, 9015656), (12, 6761742), (13, 6241608), (18, 4507828), (24, 3380871), (26, 3120804), (36, 2253914), (39, 2080536), (52, 1560402), (72, 1126957), (78, 1040268), (104, 780201), (117, 693512), (156, 520134), (234, 346756), (312, 260067), (468, 173378), (936, 86689)]