87728868

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 227427200

約数和(自身を除く): 139698332

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 109, 158, 218, 237, 283, 316, 327, 436, 474, 566, 654, 711, 849, 948, 981, 1132, 1308, 1422, 1698, 1962, 2547, 2844, 3396, 3924, 5094, 8611, 10188, 17222, 22357, 25833, 30847, 34444, 44714, 51666, 61694, 67071, 77499, 89428, 92541, 103332, 123388, 134142, 154998, 185082, 201213, 268284, 277623, 309996, 370164, 402426, 555246, 804852, 1110492, 2436913, 4873826, 7310739, 9747652, 14621478, 21932217, 29242956, 43864434, 87728868]

約数ペア:

[(1, 87728868), (2, 43864434), (3, 29242956), (4, 21932217), (6, 14621478), (9, 9747652), (12, 7310739), (18, 4873826), (36, 2436913), (79, 1110492), (109, 804852), (158, 555246), (218, 402426), (237, 370164), (283, 309996), (316, 277623), (327, 268284), (436, 201213), (474, 185082), (566, 154998), (654, 134142), (711, 123388), (849, 103332), (948, 92541), (981, 89428), (1132, 77499), (1308, 67071), (1422, 61694), (1698, 51666), (1962, 44714), (2547, 34444), (2844, 30847), (3396, 25833), (3924, 22357), (5094, 17222), (8611, 10188)]