213905084

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 422510592

約数和(自身を除く): 208605508

約数列:

[1, 2, 4, 17, 31, 34, 47, 62, 68, 94, 124, 127, 188, 254, 289, 508, 527, 578, 799, 1054, 1156, 1457, 1598, 2108, 2159, 2914, 3196, 3937, 4318, 5828, 5969, 7874, 8636, 8959, 11938, 13583, 15748, 17918, 23876, 24769, 27166, 35836, 36703, 49538, 54332, 66929, 73406, 99076, 101473, 133858, 146812, 185039, 202946, 267716, 370078, 405892, 421073, 740156, 842146, 1137793, 1684292, 1725041, 2275586, 3145663, 3450082, 4551172, 6291326, 6900164, 12582652, 53476271, 106952542, 213905084]

約数ペア:

[(1, 213905084), (2, 106952542), (4, 53476271), (17, 12582652), (31, 6900164), (34, 6291326), (47, 4551172), (62, 3450082), (68, 3145663), (94, 2275586), (124, 1725041), (127, 1684292), (188, 1137793), (254, 842146), (289, 740156), (508, 421073), (527, 405892), (578, 370078), (799, 267716), (1054, 202946), (1156, 185039), (1457, 146812), (1598, 133858), (2108, 101473), (2159, 99076), (2914, 73406), (3196, 66929), (3937, 54332), (4318, 49538), (5828, 36703), (5969, 35836), (7874, 27166), (8636, 24769), (8959, 23876), (11938, 17918), (13583, 15748)]