291191796

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 144

約数和(自身を含む): 900914560

約数和(自身を除く): 609722764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 61, 63, 76, 84, 114, 122, 126, 133, 171, 183, 228, 244, 252, 266, 342, 366, 399, 427, 532, 549, 684, 732, 798, 854, 997, 1098, 1159, 1197, 1281, 1596, 1708, 1994, 2196, 2318, 2394, 2562, 2991, 3477, 3843, 3988, 4636, 4788, 5124, 5982, 6954, 6979, 7686, 8113, 8973, 10431, 11964, 13908, 13958, 15372, 16226, 17946, 18943, 20862, 20937, 24339, 27916, 32452, 35892, 37886, 41724, 41874, 48678, 56829, 60817, 62811, 73017, 75772, 83748, 97356, 113658, 121634, 125622, 132601, 146034, 170487, 182451, 227316, 243268, 251244, 265202, 292068, 340974, 364902, 397803, 425719, 530404, 547353, 681948, 729804, 795606, 851438, 1094706, 1155523, 1193409, 1277157, 1591212, 1702876, 2189412, 2311046, 2386818, 2554314, 3466569, 3831471, 4622092, 4773636, 5108628, 6933138, 7662942, 8088661, 10399707, 13866276, 15325884, 16177322, 20799414, 24265983, 32354644, 41598828, 48531966, 72797949, 97063932, 145595898, 291191796]

約数ペア:

[(1, 291191796), (2, 145595898), (3, 97063932), (4, 72797949), (6, 48531966), (7, 41598828), (9, 32354644), (12, 24265983), (14, 20799414), (18, 16177322), (19, 15325884), (21, 13866276), (28, 10399707), (36, 8088661), (38, 7662942), (42, 6933138), (57, 5108628), (61, 4773636), (63, 4622092), (76, 3831471), (84, 3466569), (114, 2554314), (122, 2386818), (126, 2311046), (133, 2189412), (171, 1702876), (183, 1591212), (228, 1277157), (244, 1193409), (252, 1155523), (266, 1094706), (342, 851438), (366, 795606), (399, 729804), (427, 681948), (532, 547353), (549, 530404), (684, 425719), (732, 397803), (798, 364902), (854, 340974), (997, 292068), (1098, 265202), (1159, 251244), (1197, 243268), (1281, 227316), (1596, 182451), (1708, 170487), (1994, 146034), (2196, 132601), (2318, 125622), (2394, 121634), (2562, 113658), (2991, 97356), (3477, 83748), (3843, 75772), (3988, 73017), (4636, 62811), (4788, 60817), (5124, 56829), (5982, 48678), (6954, 41874), (6979, 41724), (7686, 37886), (8113, 35892), (8973, 32452), (10431, 27916), (11964, 24339), (13908, 20937), (13958, 20862), (15372, 18943), (16226, 17946)]