81817450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11443}}^1$

素因数の和:11479

約数の個数: 48

約数和(自身を含む): 178801056

約数和(自身を除く): 96983606

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 11443, 22886, 57215, 114430, 125873, 148759, 251746, 286075, 297518, 572150, 629365, 743795, 1258730, 1487590, 1636349, 3146825, 3272698, 3718975, 6293650, 7437950, 8181745, 16363490, 40908725, 81817450]

約数ペア:

[(1, 81817450), (2, 40908725), (5, 16363490), (10, 8181745), (11, 7437950), (13, 6293650), (22, 3718975), (25, 3272698), (26, 3146825), (50, 1636349), (55, 1487590), (65, 1258730), (110, 743795), (130, 629365), (143, 572150), (275, 297518), (286, 286075), (325, 251746), (550, 148759), (650, 125873), (715, 114430), (1430, 57215), (3575, 22886), (7150, 11443)]