156799903975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{209857}}^1$

素因数の和:209921

約数の個数: 72

約数和(自身を含む): 242268469520

約数和(自身を除く): 85468565545

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 121, 143, 209, 247, 275, 325, 475, 605, 715, 1045, 1235, 1573, 2299, 2717, 3025, 3575, 5225, 6175, 7865, 11495, 13585, 29887, 39325, 57475, 67925, 149435, 209857, 747175, 1049285, 2308427, 2728141, 3987283, 5246425, 11542135, 13640705, 19936415, 25392697, 30009551, 43860113, 51834679, 57710675, 68203525, 99682075, 126963485, 150047755, 219300565, 259173395, 330105061, 482461243, 570181469, 634817425, 750238775, 1096502825, 1295866975, 1650525305, 2412306215, 2850907345, 6271996159, 8252626525, 12061531075, 14254536725, 31359980795, 156799903975]

約数ペア:

[(1, 156799903975), (5, 31359980795), (11, 14254536725), (13, 12061531075), (19, 8252626525), (25, 6271996159), (55, 2850907345), (65, 2412306215), (95, 1650525305), (121, 1295866975), (143, 1096502825), (209, 750238775), (247, 634817425), (275, 570181469), (325, 482461243), (475, 330105061), (605, 259173395), (715, 219300565), (1045, 150047755), (1235, 126963485), (1573, 99682075), (2299, 68203525), (2717, 57710675), (3025, 51834679), (3575, 43860113), (5225, 30009551), (6175, 25392697), (7865, 19936415), (11495, 13640705), (13585, 11542135), (29887, 5246425), (39325, 3987283), (57475, 2728141), (67925, 2308427), (149435, 1049285), (209857, 747175)]