678016508

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 1394547840

約数和(自身を除く): 716531332

約数列:

[1, 2, 4, 13, 17, 26, 34, 41, 52, 68, 82, 164, 169, 221, 338, 442, 533, 676, 697, 884, 1066, 1394, 1439, 2132, 2788, 2873, 2878, 5746, 5756, 6929, 9061, 11492, 13858, 18122, 18707, 24463, 27716, 36244, 37414, 48926, 58999, 74828, 97852, 117793, 117998, 235586, 235996, 243191, 318019, 471172, 486382, 636038, 766987, 972764, 1002983, 1272076, 1533974, 2005966, 3067948, 4011932, 4134247, 8268494, 9970831, 13038779, 16536988, 19941662, 26077558, 39883324, 52155116, 169504127, 339008254, 678016508]

約数ペア:

[(1, 678016508), (2, 339008254), (4, 169504127), (13, 52155116), (17, 39883324), (26, 26077558), (34, 19941662), (41, 16536988), (52, 13038779), (68, 9970831), (82, 8268494), (164, 4134247), (169, 4011932), (221, 3067948), (338, 2005966), (442, 1533974), (533, 1272076), (676, 1002983), (697, 972764), (884, 766987), (1066, 636038), (1394, 486382), (1439, 471172), (2132, 318019), (2788, 243191), (2873, 235996), (2878, 235586), (5746, 117998), (5756, 117793), (6929, 97852), (9061, 74828), (11492, 58999), (13858, 48926), (18122, 37414), (18707, 36244), (24463, 27716)]