128317356

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 331959264

約数和(自身を除く): 203641908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 157, 219, 292, 311, 314, 438, 471, 622, 628, 657, 876, 933, 942, 1244, 1314, 1413, 1866, 1884, 2628, 2799, 2826, 3732, 5598, 5652, 11196, 11461, 22703, 22922, 34383, 45406, 45844, 48827, 68109, 68766, 90812, 97654, 103149, 136218, 137532, 146481, 195308, 204327, 206298, 272436, 292962, 408654, 412596, 439443, 585924, 817308, 878886, 1757772, 3564371, 7128742, 10693113, 14257484, 21386226, 32079339, 42772452, 64158678, 128317356]

約数ペア:

[(1, 128317356), (2, 64158678), (3, 42772452), (4, 32079339), (6, 21386226), (9, 14257484), (12, 10693113), (18, 7128742), (36, 3564371), (73, 1757772), (146, 878886), (157, 817308), (219, 585924), (292, 439443), (311, 412596), (314, 408654), (438, 292962), (471, 272436), (622, 206298), (628, 204327), (657, 195308), (876, 146481), (933, 137532), (942, 136218), (1244, 103149), (1314, 97654), (1413, 90812), (1866, 68766), (1884, 68109), (2628, 48827), (2799, 45844), (2826, 45406), (3732, 34383), (5598, 22922), (5652, 22703), (11196, 11461)]