86439990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31663}}^1$

素因数の和:31693

約数の個数: 64

約数和(自身を含む): 255338496

約数和(自身を除く): 168898506

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 31663, 63326, 94989, 158315, 189978, 221641, 316630, 411619, 443282, 474945, 664923, 823238, 949890, 1108205, 1234857, 1329846, 2058095, 2216410, 2469714, 2881333, 3324615, 4116190, 5762666, 6174285, 6649230, 8643999, 12348570, 14406665, 17287998, 28813330, 43219995, 86439990]

約数ペア:

[(1, 86439990), (2, 43219995), (3, 28813330), (5, 17287998), (6, 14406665), (7, 12348570), (10, 8643999), (13, 6649230), (14, 6174285), (15, 5762666), (21, 4116190), (26, 3324615), (30, 2881333), (35, 2469714), (39, 2216410), (42, 2058095), (65, 1329846), (70, 1234857), (78, 1108205), (91, 949890), (105, 823238), (130, 664923), (182, 474945), (195, 443282), (210, 411619), (273, 316630), (390, 221641), (455, 189978), (546, 158315), (910, 94989), (1365, 63326), (2730, 31663)]