25915990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{971}}^1$

素因数の和:1152

約数の個数: 32

約数和(自身を含む): 49758624

約数和(自身を除く): 23842634

約数列:

[1, 2, 5, 10, 17, 34, 85, 157, 170, 314, 785, 971, 1570, 1942, 2669, 4855, 5338, 9710, 13345, 16507, 26690, 33014, 82535, 152447, 165070, 304894, 762235, 1524470, 2591599, 5183198, 12957995, 25915990]

約数ペア:

[(1, 25915990), (2, 12957995), (5, 5183198), (10, 2591599), (17, 1524470), (34, 762235), (85, 304894), (157, 165070), (170, 152447), (314, 82535), (785, 33014), (971, 26690), (1570, 16507), (1942, 13345), (2669, 9710), (4855, 5338)]