1209086988

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{443}}^1\times {\mathrm{787}}^1$

素因数の和:1271

約数の個数: 72

約数和(自身を含む): 3007499712

約数和(自身を除く): 1798412724

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 443, 578, 787, 867, 886, 1156, 1329, 1574, 1734, 1772, 2361, 2658, 3148, 3468, 4722, 5316, 7531, 9444, 13379, 15062, 22593, 26758, 30124, 40137, 45186, 53516, 80274, 90372, 128027, 160548, 227443, 256054, 348641, 384081, 454886, 512108, 682329, 697282, 768162, 909772, 1045923, 1364658, 1394564, 1536324, 2091846, 2729316, 4183692, 5926897, 11853794, 17780691, 23707588, 35561382, 71122764, 100757249, 201514498, 302271747, 403028996, 604543494, 1209086988]

約数ペア:

[(1, 1209086988), (2, 604543494), (3, 403028996), (4, 302271747), (6, 201514498), (12, 100757249), (17, 71122764), (34, 35561382), (51, 23707588), (68, 17780691), (102, 11853794), (204, 5926897), (289, 4183692), (443, 2729316), (578, 2091846), (787, 1536324), (867, 1394564), (886, 1364658), (1156, 1045923), (1329, 909772), (1574, 768162), (1734, 697282), (1772, 682329), (2361, 512108), (2658, 454886), (3148, 384081), (3468, 348641), (4722, 256054), (5316, 227443), (7531, 160548), (9444, 128027), (13379, 90372), (15062, 80274), (22593, 53516), (26758, 45186), (30124, 40137)]