398945376

素因数分解:

$2^5\times 3^2\times {\mathrm{647}}^1\times {\mathrm{2141}}^1$

素因数の和:2804

約数の個数: 72

約数和(自身を含む): 1136785104

約数和(自身を除く): 737839728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 647, 1294, 1941, 2141, 2588, 3882, 4282, 5176, 5823, 6423, 7764, 8564, 10352, 11646, 12846, 15528, 17128, 19269, 20704, 23292, 25692, 31056, 34256, 38538, 46584, 51384, 62112, 68512, 77076, 93168, 102768, 154152, 186336, 205536, 308304, 616608, 1385227, 2770454, 4155681, 5540908, 8311362, 11081816, 12467043, 16622724, 22163632, 24934086, 33245448, 44327264, 49868172, 66490896, 99736344, 132981792, 199472688, 398945376]

約数ペア:

[(1, 398945376), (2, 199472688), (3, 132981792), (4, 99736344), (6, 66490896), (8, 49868172), (9, 44327264), (12, 33245448), (16, 24934086), (18, 22163632), (24, 16622724), (32, 12467043), (36, 11081816), (48, 8311362), (72, 5540908), (96, 4155681), (144, 2770454), (288, 1385227), (647, 616608), (1294, 308304), (1941, 205536), (2141, 186336), (2588, 154152), (3882, 102768), (4282, 93168), (5176, 77076), (5823, 68512), (6423, 62112), (7764, 51384), (8564, 46584), (10352, 38538), (11646, 34256), (12846, 31056), (15528, 25692), (17128, 23292), (19269, 20704)]