217660688

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31859}}^1$

素因数の和:31935

約数の個数: 40

約数和(自身を含む): 489879360

約数和(自身を除く): 272218672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 31859, 63718, 127436, 223013, 254872, 446026, 509744, 892052, 1784104, 1943399, 3568208, 3886798, 7773596, 13603793, 15547192, 27207586, 31094384, 54415172, 108830344, 217660688]

約数ペア:

[(1, 217660688), (2, 108830344), (4, 54415172), (7, 31094384), (8, 27207586), (14, 15547192), (16, 13603793), (28, 7773596), (56, 3886798), (61, 3568208), (112, 1943399), (122, 1784104), (244, 892052), (427, 509744), (488, 446026), (854, 254872), (976, 223013), (1708, 127436), (3416, 63718), (6832, 31859)]