291243992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{409}}^1$

素因数の和:636

約数の個数: 64

約数和(自身を含む): 607521600

約数和(自身を除く): 316277608

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 167, 328, 334, 409, 533, 668, 818, 1066, 1336, 1636, 2132, 2171, 3272, 4264, 4342, 5317, 6847, 8684, 10634, 13694, 16769, 17368, 21268, 27388, 33538, 42536, 54776, 67076, 68303, 89011, 134152, 136606, 178022, 217997, 273212, 356044, 435994, 546424, 712088, 871988, 887939, 1743976, 1775878, 2800423, 3551756, 5600846, 7103512, 11201692, 22403384, 36405499, 72810998, 145621996, 291243992]

約数ペア:

[(1, 291243992), (2, 145621996), (4, 72810998), (8, 36405499), (13, 22403384), (26, 11201692), (41, 7103512), (52, 5600846), (82, 3551756), (104, 2800423), (164, 1775878), (167, 1743976), (328, 887939), (334, 871988), (409, 712088), (533, 546424), (668, 435994), (818, 356044), (1066, 273212), (1336, 217997), (1636, 178022), (2132, 136606), (2171, 134152), (3272, 89011), (4264, 68303), (4342, 67076), (5317, 54776), (6847, 42536), (8684, 33538), (10634, 27388), (13694, 21268), (16769, 17368)]