22277225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:146

約数の個数: 48

約数和(自身を含む): 31819392

約数和(自身を除く): 9542167

約数列:

[1, 5, 17, 23, 25, 43, 53, 85, 115, 215, 265, 391, 425, 575, 731, 901, 989, 1075, 1219, 1325, 1955, 2279, 3655, 4505, 4945, 6095, 9775, 11395, 16813, 18275, 20723, 22525, 24725, 30475, 38743, 52417, 56975, 84065, 103615, 193715, 262085, 420325, 518075, 891089, 968575, 1310425, 4455445, 22277225]

約数ペア:

[(1, 22277225), (5, 4455445), (17, 1310425), (23, 968575), (25, 891089), (43, 518075), (53, 420325), (85, 262085), (115, 193715), (215, 103615), (265, 84065), (391, 56975), (425, 52417), (575, 38743), (731, 30475), (901, 24725), (989, 22525), (1075, 20723), (1219, 18275), (1325, 16813), (1955, 11395), (2279, 9775), (3655, 6095), (4505, 4945)]