153918905

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3923}}^1$

素因数の和:4013

約数の個数: 32

約数和(自身を含む): 226022400

約数和(自身を除く): 72103495

約数列:

[1, 5, 7, 19, 35, 59, 95, 133, 295, 413, 665, 1121, 2065, 3923, 5605, 7847, 19615, 27461, 39235, 74537, 137305, 231457, 372685, 521759, 1157285, 1620199, 2608795, 4397683, 8100995, 21988415, 30783781, 153918905]

約数ペア:

[(1, 153918905), (5, 30783781), (7, 21988415), (19, 8100995), (35, 4397683), (59, 2608795), (95, 1620199), (133, 1157285), (295, 521759), (413, 372685), (665, 231457), (1121, 137305), (2065, 74537), (3923, 39235), (5605, 27461), (7847, 19615)]