216375614

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{271}}^1$

素因数の和:441

約数の個数: 64

約数和(自身を含む): 414554112

約数和(自身を除く): 198178498

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 107, 182, 214, 271, 287, 533, 542, 574, 749, 1066, 1391, 1498, 1897, 2782, 3523, 3731, 3794, 4387, 7046, 7462, 8774, 9737, 11111, 19474, 22222, 24661, 28997, 30709, 49322, 57031, 57994, 61418, 77777, 114062, 144443, 155554, 202979, 288886, 376961, 399217, 405958, 753922, 798434, 1011101, 1188877, 2022202, 2377754, 2638727, 5277454, 8322139, 15455401, 16644278, 30910802, 108187807, 216375614]

約数ペア:

[(1, 216375614), (2, 108187807), (7, 30910802), (13, 16644278), (14, 15455401), (26, 8322139), (41, 5277454), (82, 2638727), (91, 2377754), (107, 2022202), (182, 1188877), (214, 1011101), (271, 798434), (287, 753922), (533, 405958), (542, 399217), (574, 376961), (749, 288886), (1066, 202979), (1391, 155554), (1498, 144443), (1897, 114062), (2782, 77777), (3523, 61418), (3731, 57994), (3794, 57031), (4387, 49322), (7046, 30709), (7462, 28997), (8774, 24661), (9737, 22222), (11111, 19474)]