218161818

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 580469760

約数和(自身を除く): 362307942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 79, 93, 98, 101, 126, 147, 158, 186, 202, 217, 237, 279, 294, 303, 434, 441, 474, 553, 558, 606, 651, 707, 711, 882, 909, 1106, 1302, 1414, 1422, 1519, 1659, 1818, 1953, 2121, 2449, 3038, 3131, 3318, 3871, 3906, 4242, 4557, 4898, 4949, 4977, 6262, 6363, 7347, 7742, 7979, 9114, 9393, 9898, 9954, 11613, 12726, 13671, 14694, 14847, 15958, 17143, 18786, 21917, 22041, 23226, 23937, 27342, 28179, 29694, 34286, 34839, 43834, 44082, 44541, 47874, 51429, 55853, 56358, 65751, 69678, 71811, 89082, 102858, 111706, 120001, 131502, 143622, 153419, 154287, 167559, 197253, 240002, 247349, 306838, 308574, 335118, 360003, 390971, 394506, 460257, 494698, 502677, 720006, 742047, 781942, 920514, 1005354, 1080009, 1172913, 1380771, 1484094, 1731443, 2160018, 2226141, 2345826, 2761542, 3462886, 3518739, 4452282, 5194329, 7037478, 10388658, 12120101, 15582987, 24240202, 31165974, 36360303, 72720606, 109080909, 218161818]

約数ペア:

[(1, 218161818), (2, 109080909), (3, 72720606), (6, 36360303), (7, 31165974), (9, 24240202), (14, 15582987), (18, 12120101), (21, 10388658), (31, 7037478), (42, 5194329), (49, 4452282), (62, 3518739), (63, 3462886), (79, 2761542), (93, 2345826), (98, 2226141), (101, 2160018), (126, 1731443), (147, 1484094), (158, 1380771), (186, 1172913), (202, 1080009), (217, 1005354), (237, 920514), (279, 781942), (294, 742047), (303, 720006), (434, 502677), (441, 494698), (474, 460257), (553, 394506), (558, 390971), (606, 360003), (651, 335118), (707, 308574), (711, 306838), (882, 247349), (909, 240002), (1106, 197253), (1302, 167559), (1414, 154287), (1422, 153419), (1519, 143622), (1659, 131502), (1818, 120001), (1953, 111706), (2121, 102858), (2449, 89082), (3038, 71811), (3131, 69678), (3318, 65751), (3871, 56358), (3906, 55853), (4242, 51429), (4557, 47874), (4898, 44541), (4949, 44082), (4977, 43834), (6262, 34839), (6363, 34286), (7347, 29694), (7742, 28179), (7979, 27342), (9114, 23937), (9393, 23226), (9898, 22041), (9954, 21917), (11613, 18786), (12726, 17143), (13671, 15958), (14694, 14847)]