81123516

素因数分解:

$2^2\times 3^2\times {\mathrm{179}}^1\times {\mathrm{12589}}^1$

素因数の和:12778

約数の個数: 36

約数和(自身を含む): 206224200

約数和(自身を除く): 125100684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 179, 358, 537, 716, 1074, 1611, 2148, 3222, 6444, 12589, 25178, 37767, 50356, 75534, 113301, 151068, 226602, 453204, 2253431, 4506862, 6760293, 9013724, 13520586, 20280879, 27041172, 40561758, 81123516]

約数ペア:

[(1, 81123516), (2, 40561758), (3, 27041172), (4, 20280879), (6, 13520586), (9, 9013724), (12, 6760293), (18, 4506862), (36, 2253431), (179, 453204), (358, 226602), (537, 151068), (716, 113301), (1074, 75534), (1611, 50356), (2148, 37767), (3222, 25178), (6444, 12589)]