211028692

素因数分解:

$2^2\times 7^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 446905536

約数和(自身を除く): 235876844

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 73, 86, 98, 146, 172, 196, 292, 301, 343, 511, 602, 686, 1022, 1204, 1372, 2044, 2107, 2401, 3139, 3577, 4214, 4802, 6278, 7154, 8428, 9604, 12556, 14308, 14749, 16807, 21973, 25039, 29498, 33614, 43946, 50078, 58996, 67228, 87892, 100156, 103243, 153811, 175273, 206486, 307622, 350546, 412972, 615244, 701092, 722701, 1076677, 1226911, 1445402, 2153354, 2453822, 2890804, 4306708, 4907644, 7536739, 15073478, 30146956, 52757173, 105514346, 211028692]

約数ペア:

[(1, 211028692), (2, 105514346), (4, 52757173), (7, 30146956), (14, 15073478), (28, 7536739), (43, 4907644), (49, 4306708), (73, 2890804), (86, 2453822), (98, 2153354), (146, 1445402), (172, 1226911), (196, 1076677), (292, 722701), (301, 701092), (343, 615244), (511, 412972), (602, 350546), (686, 307622), (1022, 206486), (1204, 175273), (1372, 153811), (2044, 103243), (2107, 100156), (2401, 87892), (3139, 67228), (3577, 58996), (4214, 50078), (4802, 43946), (6278, 33614), (7154, 29498), (8428, 25039), (9604, 21973), (12556, 16807), (14308, 14749)]