257707332

素因数分解:

$2^2\times 3^7\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:445

約数の個数: 96

約数和(自身を含む): 686044800

約数和(自身を除く): 428337468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 89, 108, 162, 178, 243, 267, 324, 331, 356, 486, 534, 662, 729, 801, 972, 993, 1068, 1324, 1458, 1602, 1986, 2187, 2403, 2916, 2979, 3204, 3972, 4374, 4806, 5958, 7209, 8748, 8937, 9612, 11916, 14418, 17874, 21627, 26811, 28836, 29459, 35748, 43254, 53622, 58918, 64881, 80433, 86508, 88377, 107244, 117836, 129762, 160866, 176754, 194643, 241299, 259524, 265131, 321732, 353508, 389286, 482598, 530262, 723897, 778572, 795393, 965196, 1060524, 1447794, 1590786, 2386179, 2895588, 3181572, 4772358, 7158537, 9544716, 14317074, 21475611, 28634148, 42951222, 64426833, 85902444, 128853666, 257707332]

約数ペア:

[(1, 257707332), (2, 128853666), (3, 85902444), (4, 64426833), (6, 42951222), (9, 28634148), (12, 21475611), (18, 14317074), (27, 9544716), (36, 7158537), (54, 4772358), (81, 3181572), (89, 2895588), (108, 2386179), (162, 1590786), (178, 1447794), (243, 1060524), (267, 965196), (324, 795393), (331, 778572), (356, 723897), (486, 530262), (534, 482598), (662, 389286), (729, 353508), (801, 321732), (972, 265131), (993, 259524), (1068, 241299), (1324, 194643), (1458, 176754), (1602, 160866), (1986, 129762), (2187, 117836), (2403, 107244), (2916, 88377), (2979, 86508), (3204, 80433), (3972, 64881), (4374, 58918), (4806, 53622), (5958, 43254), (7209, 35748), (8748, 29459), (8937, 28836), (9612, 26811), (11916, 21627), (14418, 17874)]