28731890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{971}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 56687040

約数和(自身を除く): 27955150

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 269, 538, 971, 1345, 1942, 2690, 2959, 4855, 5918, 9710, 10681, 14795, 21362, 29590, 53405, 106810, 261199, 522398, 1305995, 2611990, 2873189, 5746378, 14365945, 28731890]

約数ペア:

[(1, 28731890), (2, 14365945), (5, 5746378), (10, 2873189), (11, 2611990), (22, 1305995), (55, 522398), (110, 261199), (269, 106810), (538, 53405), (971, 29590), (1345, 21362), (1942, 14795), (2690, 10681), (2959, 9710), (4855, 5918)]