415642916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{643}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 811872768

約数和(自身を除く): 396229852

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 401, 403, 643, 802, 806, 1286, 1604, 1612, 2572, 5213, 8359, 10426, 12431, 16718, 19933, 20852, 24862, 33436, 39866, 49724, 79732, 161603, 257843, 259129, 323206, 515686, 518258, 646412, 1031372, 1036516, 3351959, 6703918, 7993133, 13407836, 15986266, 31972532, 103910729, 207821458, 415642916]

約数ペア:

[(1, 415642916), (2, 207821458), (4, 103910729), (13, 31972532), (26, 15986266), (31, 13407836), (52, 7993133), (62, 6703918), (124, 3351959), (401, 1036516), (403, 1031372), (643, 646412), (802, 518258), (806, 515686), (1286, 323206), (1604, 259129), (1612, 257843), (2572, 161603), (5213, 79732), (8359, 49724), (10426, 39866), (12431, 33436), (16718, 24862), (19933, 20852)]