81179868

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{163}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 244294400

約数和(自身を除く): 163114532

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 121, 132, 147, 154, 163, 196, 231, 242, 294, 308, 326, 343, 363, 462, 484, 489, 539, 588, 652, 686, 726, 847, 924, 978, 1029, 1078, 1141, 1372, 1452, 1617, 1694, 1793, 1956, 2058, 2156, 2282, 2541, 3234, 3388, 3423, 3586, 3773, 4116, 4564, 5082, 5379, 5929, 6468, 6846, 7172, 7546, 7987, 10164, 10758, 11319, 11858, 12551, 13692, 15092, 15974, 17787, 19723, 21516, 22638, 23716, 23961, 25102, 31948, 35574, 37653, 39446, 41503, 45276, 47922, 50204, 55909, 59169, 71148, 75306, 78892, 83006, 87857, 95844, 111818, 118338, 124509, 138061, 150612, 166012, 167727, 175714, 223636, 236676, 249018, 263571, 276122, 335454, 351428, 414183, 498036, 527142, 552244, 614999, 670908, 828366, 966427, 1054284, 1229998, 1656732, 1844997, 1932854, 2459996, 2899281, 3689994, 3865708, 5798562, 6764989, 7379988, 11597124, 13529978, 20294967, 27059956, 40589934, 81179868]

約数ペア:

[(1, 81179868), (2, 40589934), (3, 27059956), (4, 20294967), (6, 13529978), (7, 11597124), (11, 7379988), (12, 6764989), (14, 5798562), (21, 3865708), (22, 3689994), (28, 2899281), (33, 2459996), (42, 1932854), (44, 1844997), (49, 1656732), (66, 1229998), (77, 1054284), (84, 966427), (98, 828366), (121, 670908), (132, 614999), (147, 552244), (154, 527142), (163, 498036), (196, 414183), (231, 351428), (242, 335454), (294, 276122), (308, 263571), (326, 249018), (343, 236676), (363, 223636), (462, 175714), (484, 167727), (489, 166012), (539, 150612), (588, 138061), (652, 124509), (686, 118338), (726, 111818), (847, 95844), (924, 87857), (978, 83006), (1029, 78892), (1078, 75306), (1141, 71148), (1372, 59169), (1452, 55909), (1617, 50204), (1694, 47922), (1793, 45276), (1956, 41503), (2058, 39446), (2156, 37653), (2282, 35574), (2541, 31948), (3234, 25102), (3388, 23961), (3423, 23716), (3586, 22638), (3773, 21516), (4116, 19723), (4564, 17787), (5082, 15974), (5379, 15092), (5929, 13692), (6468, 12551), (6846, 11858), (7172, 11319), (7546, 10758), (7987, 10164)]