212637490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{125821}}^1$

素因数の和:125854

約数の個数: 24

約数和(自身を含む): 414457668

約数和(自身を除く): 201820178

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 125821, 251642, 629105, 1258210, 1635673, 3271346, 8178365, 16356730, 21263749, 42527498, 106318745, 212637490]

約数ペア:

[(1, 212637490), (2, 106318745), (5, 42527498), (10, 21263749), (13, 16356730), (26, 8178365), (65, 3271346), (130, 1635673), (169, 1258210), (338, 629105), (845, 251642), (1690, 125821)]