39974704

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 98136576

約数和(自身を除く): 58161872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 284, 308, 457, 497, 568, 616, 781, 914, 994, 1136, 1232, 1562, 1828, 1988, 3124, 3199, 3656, 3976, 5027, 5467, 6248, 6398, 7312, 7952, 10054, 10934, 12496, 12796, 20108, 21868, 25592, 32447, 35189, 40216, 43736, 51184, 64894, 70378, 80432, 87472, 129788, 140756, 227129, 259576, 281512, 356917, 454258, 519152, 563024, 713834, 908516, 1427668, 1817032, 2498419, 2855336, 3634064, 4996838, 5710672, 9993676, 19987352, 39974704]

約数ペア:

[(1, 39974704), (2, 19987352), (4, 9993676), (7, 5710672), (8, 4996838), (11, 3634064), (14, 2855336), (16, 2498419), (22, 1817032), (28, 1427668), (44, 908516), (56, 713834), (71, 563024), (77, 519152), (88, 454258), (112, 356917), (142, 281512), (154, 259576), (176, 227129), (284, 140756), (308, 129788), (457, 87472), (497, 80432), (568, 70378), (616, 64894), (781, 51184), (914, 43736), (994, 40216), (1136, 35189), (1232, 32447), (1562, 25592), (1828, 21868), (1988, 20108), (3124, 12796), (3199, 12496), (3656, 10934), (3976, 10054), (5027, 7952), (5467, 7312), (6248, 6398)]