74628215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 100776960

約数和(自身を除く): 26148745

約数列:

[1, 5, 17, 23, 59, 85, 115, 295, 391, 647, 1003, 1357, 1955, 3235, 5015, 6785, 10999, 14881, 23069, 38173, 54995, 74405, 115345, 190865, 252977, 648941, 877979, 1264885, 3244705, 4389895, 14925643, 74628215]

約数ペア:

[(1, 74628215), (5, 14925643), (17, 4389895), (23, 3244705), (59, 1264885), (85, 877979), (115, 648941), (295, 252977), (391, 190865), (647, 115345), (1003, 74405), (1357, 54995), (1955, 38173), (3235, 23069), (5015, 14881), (6785, 10999)]