28580145

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 55240704

約数和(自身を除く): 26660559

約数列:

[1, 3, 5, 11, 15, 17, 23, 33, 51, 55, 69, 85, 115, 165, 187, 253, 255, 345, 391, 443, 561, 759, 935, 1173, 1265, 1329, 1955, 2215, 2805, 3795, 4301, 4873, 5865, 6645, 7531, 10189, 12903, 14619, 21505, 22593, 24365, 30567, 37655, 50945, 64515, 73095, 82841, 112079, 112965, 152835, 173213, 248523, 336237, 414205, 519639, 560395, 866065, 1242615, 1681185, 1905343, 2598195, 5716029, 9526715, 28580145]

約数ペア:

[(1, 28580145), (3, 9526715), (5, 5716029), (11, 2598195), (15, 1905343), (17, 1681185), (23, 1242615), (33, 866065), (51, 560395), (55, 519639), (69, 414205), (85, 336237), (115, 248523), (165, 173213), (187, 152835), (253, 112965), (255, 112079), (345, 82841), (391, 73095), (443, 64515), (561, 50945), (759, 37655), (935, 30567), (1173, 24365), (1265, 22593), (1329, 21505), (1955, 14619), (2215, 12903), (2805, 10189), (3795, 7531), (4301, 6645), (4873, 5865)]