397204398

素因数分解:

$2^1\times 3^6\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 84

約数和(自身を含む): 922710600

約数和(自身を除く): 525506202

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 199, 222, 243, 333, 398, 486, 597, 666, 729, 999, 1194, 1369, 1458, 1791, 1998, 2738, 2997, 3582, 4107, 5373, 5994, 7363, 8214, 8991, 10746, 12321, 14726, 16119, 17982, 22089, 24642, 26973, 32238, 36963, 44178, 48357, 53946, 66267, 73926, 96714, 110889, 132534, 145071, 198801, 221778, 272431, 290142, 332667, 397602, 544862, 596403, 665334, 817293, 998001, 1192806, 1634586, 1789209, 1996002, 2451879, 3578418, 4903758, 5367627, 7355637, 10735254, 14711274, 22066911, 44133822, 66200733, 132401466, 198602199, 397204398]

約数ペア:

[(1, 397204398), (2, 198602199), (3, 132401466), (6, 66200733), (9, 44133822), (18, 22066911), (27, 14711274), (37, 10735254), (54, 7355637), (74, 5367627), (81, 4903758), (111, 3578418), (162, 2451879), (199, 1996002), (222, 1789209), (243, 1634586), (333, 1192806), (398, 998001), (486, 817293), (597, 665334), (666, 596403), (729, 544862), (999, 397602), (1194, 332667), (1369, 290142), (1458, 272431), (1791, 221778), (1998, 198801), (2738, 145071), (2997, 132534), (3582, 110889), (4107, 96714), (5373, 73926), (5994, 66267), (7363, 53946), (8214, 48357), (8991, 44178), (10746, 36963), (12321, 32238), (14726, 26973), (16119, 24642), (17982, 22089)]