289353318

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2093

約数の個数: 64

約数和(自身を含む): 644474880

約数和(自身を除く): 355121562

約数列:

[1, 2, 3, 6, 19, 31, 38, 41, 57, 62, 82, 93, 114, 123, 186, 246, 589, 779, 1178, 1271, 1558, 1767, 1997, 2337, 2542, 3534, 3813, 3994, 4674, 5991, 7626, 11982, 24149, 37943, 48298, 61907, 72447, 75886, 81877, 113829, 123814, 144894, 163754, 185721, 227658, 245631, 371442, 491262, 1176233, 1555663, 2352466, 2538187, 3111326, 3528699, 4666989, 5076374, 7057398, 7614561, 9333978, 15229122, 48225553, 96451106, 144676659, 289353318]

約数ペア:

[(1, 289353318), (2, 144676659), (3, 96451106), (6, 48225553), (19, 15229122), (31, 9333978), (38, 7614561), (41, 7057398), (57, 5076374), (62, 4666989), (82, 3528699), (93, 3111326), (114, 2538187), (123, 2352466), (186, 1555663), (246, 1176233), (589, 491262), (779, 371442), (1178, 245631), (1271, 227658), (1558, 185721), (1767, 163754), (1997, 144894), (2337, 123814), (2542, 113829), (3534, 81877), (3813, 75886), (3994, 72447), (4674, 61907), (5991, 48298), (7626, 37943), (11982, 24149)]