128899458

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1721}}^1$

素因数の和:1824

約数の個数: 64

約数和(自身を含む): 305827200

約数和(自身を除く): 176927742

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 73, 114, 146, 171, 219, 342, 438, 513, 657, 1026, 1314, 1387, 1721, 1971, 2774, 3442, 3942, 4161, 5163, 8322, 10326, 12483, 15489, 24966, 30978, 32699, 37449, 46467, 65398, 74898, 92934, 98097, 125633, 196194, 251266, 294291, 376899, 588582, 753798, 882873, 1130697, 1765746, 2261394, 2387027, 3392091, 4774054, 6784182, 7161081, 14322162, 21483243, 42966486, 64449729, 128899458]

約数ペア:

[(1, 128899458), (2, 64449729), (3, 42966486), (6, 21483243), (9, 14322162), (18, 7161081), (19, 6784182), (27, 4774054), (38, 3392091), (54, 2387027), (57, 2261394), (73, 1765746), (114, 1130697), (146, 882873), (171, 753798), (219, 588582), (342, 376899), (438, 294291), (513, 251266), (657, 196194), (1026, 125633), (1314, 98097), (1387, 92934), (1721, 74898), (1971, 65398), (2774, 46467), (3442, 37449), (3942, 32699), (4161, 30978), (5163, 24966), (8322, 15489), (10326, 12483)]