87168305

素因数分解:

$5^1\times 7^4\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 125238312

約数和(自身を除く): 38070007

約数列:

[1, 5, 7, 35, 49, 53, 137, 245, 265, 343, 371, 685, 959, 1715, 1855, 2401, 2597, 4795, 6713, 7261, 12005, 12985, 18179, 33565, 36305, 46991, 50827, 90895, 127253, 234955, 254135, 328937, 355789, 636265, 1644685, 1778945, 2490523, 12452615, 17433661, 87168305]

約数ペア:

[(1, 87168305), (5, 17433661), (7, 12452615), (35, 2490523), (49, 1778945), (53, 1644685), (137, 636265), (245, 355789), (265, 328937), (343, 254135), (371, 234955), (685, 127253), (959, 90895), (1715, 50827), (1855, 46991), (2401, 36305), (2597, 33565), (4795, 18179), (6713, 12985), (7261, 12005)]