728463872

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{659}}^1$

素因数の和:821

約数の個数: 80

約数和(自身を含む): 1555614720

約数和(自身を除く): 827150848

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 128, 136, 254, 256, 272, 508, 512, 544, 659, 1016, 1088, 1318, 2032, 2159, 2176, 2636, 4064, 4318, 4352, 5272, 8128, 8636, 8704, 10544, 11203, 16256, 17272, 21088, 22406, 32512, 34544, 42176, 44812, 65024, 69088, 83693, 84352, 89624, 138176, 167386, 168704, 179248, 276352, 334772, 337408, 358496, 552704, 669544, 716992, 1105408, 1339088, 1422781, 1433984, 2678176, 2845562, 2867968, 5356352, 5691124, 5735936, 10712704, 11382248, 21425408, 22764496, 42850816, 45528992, 91057984, 182115968, 364231936, 728463872]

約数ペア:

[(1, 728463872), (2, 364231936), (4, 182115968), (8, 91057984), (16, 45528992), (17, 42850816), (32, 22764496), (34, 21425408), (64, 11382248), (68, 10712704), (127, 5735936), (128, 5691124), (136, 5356352), (254, 2867968), (256, 2845562), (272, 2678176), (508, 1433984), (512, 1422781), (544, 1339088), (659, 1105408), (1016, 716992), (1088, 669544), (1318, 552704), (2032, 358496), (2159, 337408), (2176, 334772), (2636, 276352), (4064, 179248), (4318, 168704), (4352, 167386), (5272, 138176), (8128, 89624), (8636, 84352), (8704, 83693), (10544, 69088), (11203, 65024), (16256, 44812), (17272, 42176), (21088, 34544), (22406, 32512)]