642772095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^3\times {\mathrm{251}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 1222179840

約数和(自身を除く): 579407745

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 251, 435, 609, 753, 841, 1015, 1255, 1757, 2523, 3045, 3765, 4205, 5271, 5887, 7279, 8785, 12615, 17661, 21837, 24389, 26355, 29435, 36395, 50953, 73167, 88305, 109185, 121945, 152859, 170723, 211091, 254765, 365835, 512169, 633273, 764295, 853615, 1055455, 1477637, 2560845, 3166365, 4432911, 6121639, 7388185, 18364917, 22164555, 30608195, 42851473, 91824585, 128554419, 214257365, 642772095]

約数ペア:

[(1, 642772095), (3, 214257365), (5, 128554419), (7, 91824585), (15, 42851473), (21, 30608195), (29, 22164555), (35, 18364917), (87, 7388185), (105, 6121639), (145, 4432911), (203, 3166365), (251, 2560845), (435, 1477637), (609, 1055455), (753, 853615), (841, 764295), (1015, 633273), (1255, 512169), (1757, 365835), (2523, 254765), (3045, 211091), (3765, 170723), (4205, 152859), (5271, 121945), (5887, 109185), (7279, 88305), (8785, 73167), (12615, 50953), (17661, 36395), (21837, 29435), (24389, 26355)]