2017448975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:840

約数の個数: 48

約数和(自身を含む): 2708398080

約数和(自身を除く): 690949105

約数列:

[1, 5, 19, 25, 53, 95, 127, 265, 475, 631, 635, 1007, 1325, 2413, 3155, 3175, 5035, 6731, 11989, 12065, 15775, 25175, 33443, 33655, 59945, 60325, 80137, 127889, 167215, 168275, 299725, 400685, 635417, 639445, 836075, 1522603, 2003425, 3177085, 3197225, 4247261, 7613015, 15885425, 21236305, 38065075, 80697959, 106181525, 403489795, 2017448975]

約数ペア:

[(1, 2017448975), (5, 403489795), (19, 106181525), (25, 80697959), (53, 38065075), (95, 21236305), (127, 15885425), (265, 7613015), (475, 4247261), (631, 3197225), (635, 3177085), (1007, 2003425), (1325, 1522603), (2413, 836075), (3155, 639445), (3175, 635417), (5035, 400685), (6731, 299725), (11989, 168275), (12065, 167215), (15775, 127889), (25175, 80137), (33443, 60325), (33655, 59945)]