1387988532

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{289889}}^1$

素因数の和:289925

約数の個数: 72

約数和(自身を含む): 4220798400

約数和(自身を除く): 2832809868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 289889, 579778, 869667, 1159556, 1739334, 2029223, 2609001, 3478668, 4058446, 5218002, 5507891, 6087669, 8116892, 10436004, 11015782, 12175338, 16523673, 18263007, 22031564, 24350676, 33047346, 36526014, 38555237, 49571019, 66094692, 73052028, 77110474, 99142038, 115665711, 154220948, 198284076, 231331422, 346997133, 462662844, 693994266, 1387988532]

約数ペア:

[(1, 1387988532), (2, 693994266), (3, 462662844), (4, 346997133), (6, 231331422), (7, 198284076), (9, 154220948), (12, 115665711), (14, 99142038), (18, 77110474), (19, 73052028), (21, 66094692), (28, 49571019), (36, 38555237), (38, 36526014), (42, 33047346), (57, 24350676), (63, 22031564), (76, 18263007), (84, 16523673), (114, 12175338), (126, 11015782), (133, 10436004), (171, 8116892), (228, 6087669), (252, 5507891), (266, 5218002), (342, 4058446), (399, 3478668), (532, 2609001), (684, 2029223), (798, 1739334), (1197, 1159556), (1596, 869667), (2394, 579778), (4788, 289889)]