128782854

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{420859}}^1$

素因数の和:420884

約数の個数: 24

約数和(自身を含む): 295443720

約数和(自身を除く): 166660866

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 420859, 841718, 1262577, 2525154, 3787731, 7154603, 7575462, 14309206, 21463809, 42927618, 64391427, 128782854]

約数ペア:

[(1, 128782854), (2, 64391427), (3, 42927618), (6, 21463809), (9, 14309206), (17, 7575462), (18, 7154603), (34, 3787731), (51, 2525154), (102, 1262577), (153, 841718), (306, 420859)]