81138372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{12227}}^1$

素因数の和:12320

約数の個数: 48

約数和(自身を含む): 219125760

約数和(自身を除く): 137987388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 79, 84, 158, 237, 316, 474, 553, 948, 1106, 1659, 2212, 3318, 6636, 12227, 24454, 36681, 48908, 73362, 85589, 146724, 171178, 256767, 342356, 513534, 965933, 1027068, 1931866, 2897799, 3863732, 5795598, 6761531, 11591196, 13523062, 20284593, 27046124, 40569186, 81138372]

約数ペア:

[(1, 81138372), (2, 40569186), (3, 27046124), (4, 20284593), (6, 13523062), (7, 11591196), (12, 6761531), (14, 5795598), (21, 3863732), (28, 2897799), (42, 1931866), (79, 1027068), (84, 965933), (158, 513534), (237, 342356), (316, 256767), (474, 171178), (553, 146724), (948, 85589), (1106, 73362), (1659, 48908), (2212, 36681), (3318, 24454), (6636, 12227)]