2009509628

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1\times {\mathrm{613}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 4190653152

約数和(自身を除く): 2181143524

約数列:

[1, 2, 4, 7, 14, 28, 47, 53, 94, 106, 188, 212, 329, 371, 613, 658, 742, 1226, 1316, 1484, 2209, 2452, 2491, 4291, 4418, 4982, 8582, 8836, 9964, 15463, 17164, 17437, 28811, 30926, 32489, 34874, 57622, 61852, 64978, 69748, 115244, 117077, 129956, 201677, 227423, 234154, 403354, 454846, 468308, 806708, 819539, 909692, 1354117, 1526983, 1639078, 2708234, 3053966, 3278156, 5416468, 6107932, 9478819, 10688881, 18957638, 21377762, 37915276, 42755524, 71768201, 143536402, 287072804, 502377407, 1004754814, 2009509628]

約数ペア:

[(1, 2009509628), (2, 1004754814), (4, 502377407), (7, 287072804), (14, 143536402), (28, 71768201), (47, 42755524), (53, 37915276), (94, 21377762), (106, 18957638), (188, 10688881), (212, 9478819), (329, 6107932), (371, 5416468), (613, 3278156), (658, 3053966), (742, 2708234), (1226, 1639078), (1316, 1526983), (1484, 1354117), (2209, 909692), (2452, 819539), (2491, 806708), (4291, 468308), (4418, 454846), (4982, 403354), (8582, 234154), (8836, 227423), (9964, 201677), (15463, 129956), (17164, 117077), (17437, 115244), (28811, 69748), (30926, 64978), (32489, 61852), (34874, 57622)]