217320656

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 513467136

約数和(自身を除く): 296146480

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 157, 238, 272, 314, 476, 628, 727, 952, 1099, 1256, 1454, 1904, 2198, 2512, 2669, 2908, 4396, 5089, 5338, 5816, 8792, 10178, 10676, 11632, 12359, 17584, 18683, 20356, 21352, 24718, 37366, 40712, 42704, 49436, 74732, 81424, 86513, 98872, 114139, 149464, 173026, 197744, 228278, 298928, 346052, 456556, 692104, 798973, 913112, 1384208, 1597946, 1826224, 1940363, 3195892, 3880726, 6391784, 7761452, 12783568, 13582541, 15522904, 27165082, 31045808, 54330164, 108660328, 217320656]

約数ペア:

[(1, 217320656), (2, 108660328), (4, 54330164), (7, 31045808), (8, 27165082), (14, 15522904), (16, 13582541), (17, 12783568), (28, 7761452), (34, 6391784), (56, 3880726), (68, 3195892), (112, 1940363), (119, 1826224), (136, 1597946), (157, 1384208), (238, 913112), (272, 798973), (314, 692104), (476, 456556), (628, 346052), (727, 298928), (952, 228278), (1099, 197744), (1256, 173026), (1454, 149464), (1904, 114139), (2198, 98872), (2512, 86513), (2669, 81424), (2908, 74732), (4396, 49436), (5089, 42704), (5338, 40712), (5816, 37366), (8792, 24718), (10178, 21352), (10676, 20356), (11632, 18683), (12359, 17584)]