1293890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{269}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 2585520

約数和(自身を除く): 1291630

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 269, 370, 481, 538, 962, 1345, 2405, 2690, 3497, 4810, 6994, 9953, 17485, 19906, 34970, 49765, 99530, 129389, 258778, 646945, 1293890]

約数ペア:

[(1, 1293890), (2, 646945), (5, 258778), (10, 129389), (13, 99530), (26, 49765), (37, 34970), (65, 19906), (74, 17485), (130, 9953), (185, 6994), (269, 4810), (370, 3497), (481, 2690), (538, 2405), (962, 1345)]