28075710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{373}}^1$

素因数の和:589

約数の個数: 64

約数和(自身を含む): 73136448

約数和(自身を除く): 45060738

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 193, 195, 373, 386, 390, 579, 746, 965, 1119, 1158, 1865, 1930, 2238, 2509, 2895, 3730, 4849, 5018, 5595, 5790, 7527, 9698, 11190, 12545, 14547, 15054, 24245, 25090, 29094, 37635, 48490, 71989, 72735, 75270, 143978, 145470, 215967, 359945, 431934, 719890, 935857, 1079835, 1871714, 2159670, 2807571, 4679285, 5615142, 9358570, 14037855, 28075710]

約数ペア:

[(1, 28075710), (2, 14037855), (3, 9358570), (5, 5615142), (6, 4679285), (10, 2807571), (13, 2159670), (15, 1871714), (26, 1079835), (30, 935857), (39, 719890), (65, 431934), (78, 359945), (130, 215967), (193, 145470), (195, 143978), (373, 75270), (386, 72735), (390, 71989), (579, 48490), (746, 37635), (965, 29094), (1119, 25090), (1158, 24245), (1865, 15054), (1930, 14547), (2238, 12545), (2509, 11190), (2895, 9698), (3730, 7527), (4849, 5790), (5018, 5595)]