398496728

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{22031}}^1$

素因数の和:22080

約数の個数: 64

約数和(自身を含む): 951782400

約数和(自身を除く): 553285672

約数列:

[1, 2, 4, 7, 8, 14, 17, 19, 28, 34, 38, 56, 68, 76, 119, 133, 136, 152, 238, 266, 323, 476, 532, 646, 952, 1064, 1292, 2261, 2584, 4522, 9044, 18088, 22031, 44062, 88124, 154217, 176248, 308434, 374527, 418589, 616868, 749054, 837178, 1233736, 1498108, 1674356, 2621689, 2930123, 2996216, 3348712, 5243378, 5860246, 7116013, 10486756, 11720492, 14232026, 20973512, 23440984, 28464052, 49812091, 56928104, 99624182, 199248364, 398496728]

約数ペア:

[(1, 398496728), (2, 199248364), (4, 99624182), (7, 56928104), (8, 49812091), (14, 28464052), (17, 23440984), (19, 20973512), (28, 14232026), (34, 11720492), (38, 10486756), (56, 7116013), (68, 5860246), (76, 5243378), (119, 3348712), (133, 2996216), (136, 2930123), (152, 2621689), (238, 1674356), (266, 1498108), (323, 1233736), (476, 837178), (532, 749054), (646, 616868), (952, 418589), (1064, 374527), (1292, 308434), (2261, 176248), (2584, 154217), (4522, 88124), (9044, 44062), (18088, 22031)]