199269895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:711

約数の個数: 32

約数和(自身を含む): 268655616

約数和(自身を除く): 69385721

約数列:

[1, 5, 11, 47, 55, 157, 235, 491, 517, 785, 1727, 2455, 2585, 5401, 7379, 8635, 23077, 27005, 36895, 77087, 81169, 115385, 253847, 385435, 405845, 847957, 1269235, 3623089, 4239785, 18115445, 39853979, 199269895]

約数ペア:

[(1, 199269895), (5, 39853979), (11, 18115445), (47, 4239785), (55, 3623089), (157, 1269235), (235, 847957), (491, 405845), (517, 385435), (785, 253847), (1727, 115385), (2455, 81169), (2585, 77087), (5401, 36895), (7379, 27005), (8635, 23077)]