156657215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1451}}^1$

素因数の和:1631

約数の個数: 32

約数和(自身を含む): 222469632

約数和(自身を除く): 65812417

約数列:

[1, 5, 11, 13, 55, 65, 143, 151, 715, 755, 1451, 1661, 1963, 7255, 8305, 9815, 15961, 18863, 21593, 79805, 94315, 107965, 207493, 219101, 1037465, 1095505, 2410111, 2848313, 12050555, 14241565, 31331443, 156657215]

約数ペア:

[(1, 156657215), (5, 31331443), (11, 14241565), (13, 12050555), (55, 2848313), (65, 2410111), (143, 1095505), (151, 1037465), (715, 219101), (755, 207493), (1451, 107965), (1661, 94315), (1963, 79805), (7255, 21593), (8305, 18863), (9815, 15961)]