638728728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{13367}}^1$

素因数の和:13568

約数の個数: 64

約数和(自身を含む): 1751742720

約数和(自身を除く): 1113013992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 181, 264, 362, 543, 724, 1086, 1448, 1991, 2172, 3982, 4344, 5973, 7964, 11946, 13367, 15928, 23892, 26734, 40101, 47784, 53468, 80202, 106936, 147037, 160404, 294074, 320808, 441111, 588148, 882222, 1176296, 1764444, 2419427, 3528888, 4838854, 7258281, 9677708, 14516562, 19355416, 26613697, 29033124, 53227394, 58066248, 79841091, 106454788, 159682182, 212909576, 319364364, 638728728]

約数ペア:

[(1, 638728728), (2, 319364364), (3, 212909576), (4, 159682182), (6, 106454788), (8, 79841091), (11, 58066248), (12, 53227394), (22, 29033124), (24, 26613697), (33, 19355416), (44, 14516562), (66, 9677708), (88, 7258281), (132, 4838854), (181, 3528888), (264, 2419427), (362, 1764444), (543, 1176296), (724, 882222), (1086, 588148), (1448, 441111), (1991, 320808), (2172, 294074), (3982, 160404), (4344, 147037), (5973, 106936), (7964, 80202), (11946, 53468), (13367, 47784), (15928, 40101), (23892, 26734)]