389634145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 503896320

約数和(自身を除く): 114262175

約数列:

[1, 5, 23, 61, 67, 115, 305, 335, 829, 1403, 1541, 4087, 4145, 7015, 7705, 19067, 20435, 50569, 55543, 94001, 95335, 252845, 277715, 470005, 1163087, 1277489, 3388123, 5815435, 6387445, 16940615, 77926829, 389634145]

約数ペア:

[(1, 389634145), (5, 77926829), (23, 16940615), (61, 6387445), (67, 5815435), (115, 3388123), (305, 1277489), (335, 1163087), (829, 470005), (1403, 277715), (1541, 252845), (4087, 95335), (4145, 94001), (7015, 55543), (7705, 50569), (19067, 20435)]