290388438

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11959}}^1$

素因数の和:12057

約数の個数: 48

約数和(自身を含む): 671673600

約数和(自身を除く): 381285162

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 8094, 11959, 12141, 23918, 24282, 35877, 71754, 107631, 215262, 227221, 454442, 681663, 849089, 1363326, 1698178, 2044989, 2547267, 4089978, 5094534, 7641801, 15283602, 16132691, 32265382, 48398073, 96796146, 145194219, 290388438]

約数ペア:

[(1, 290388438), (2, 145194219), (3, 96796146), (6, 48398073), (9, 32265382), (18, 16132691), (19, 15283602), (38, 7641801), (57, 5094534), (71, 4089978), (114, 2547267), (142, 2044989), (171, 1698178), (213, 1363326), (342, 849089), (426, 681663), (639, 454442), (1278, 227221), (1349, 215262), (2698, 107631), (4047, 71754), (8094, 35877), (11959, 24282), (12141, 23918)]