209163172

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 417765600

約数和(自身を除く): 208602428

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 107, 178, 214, 289, 323, 356, 428, 578, 646, 1156, 1292, 1513, 1691, 1819, 2033, 3026, 3382, 3638, 4066, 5491, 6052, 6764, 7276, 8132, 9523, 10982, 19046, 21964, 25721, 28747, 30923, 34561, 38092, 51442, 57494, 61846, 69122, 102884, 114988, 123692, 138244, 161891, 180937, 323782, 361874, 488699, 587537, 647564, 723748, 977398, 1175074, 1954796, 2350148, 2752147, 3075929, 5504294, 6151858, 11008588, 12303716, 52290793, 104581586, 209163172]

約数ペア:

[(1, 209163172), (2, 104581586), (4, 52290793), (17, 12303716), (19, 11008588), (34, 6151858), (38, 5504294), (68, 3075929), (76, 2752147), (89, 2350148), (107, 1954796), (178, 1175074), (214, 977398), (289, 723748), (323, 647564), (356, 587537), (428, 488699), (578, 361874), (646, 323782), (1156, 180937), (1292, 161891), (1513, 138244), (1691, 123692), (1819, 114988), (2033, 102884), (3026, 69122), (3382, 61846), (3638, 57494), (4066, 51442), (5491, 38092), (6052, 34561), (6764, 30923), (7276, 28747), (8132, 25721), (9523, 21964), (10982, 19046)]