728304858

素因数分解:

$2^1\times 3^4\times {\mathrm{521}}^1\times {\mathrm{8629}}^1$

素因数の和:9164

約数の個数: 40

約数和(自身を含む): 1635264180

約数和(自身を除く): 906959322

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 521, 1042, 1563, 3126, 4689, 8629, 9378, 14067, 17258, 25887, 28134, 42201, 51774, 77661, 84402, 155322, 232983, 465966, 698949, 1397898, 4495709, 8991418, 13487127, 26974254, 40461381, 80922762, 121384143, 242768286, 364152429, 728304858]

約数ペア:

[(1, 728304858), (2, 364152429), (3, 242768286), (6, 121384143), (9, 80922762), (18, 40461381), (27, 26974254), (54, 13487127), (81, 8991418), (162, 4495709), (521, 1397898), (1042, 698949), (1563, 465966), (3126, 232983), (4689, 155322), (8629, 84402), (9378, 77661), (14067, 51774), (17258, 42201), (25887, 28134)]