221433904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{11941}}^1$

素因数の和:12029

約数の個数: 40

約数和(自身を含む): 459050480

約数和(自身を除く): 237616576

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4636, 9272, 11941, 18544, 23882, 47764, 95528, 191056, 226879, 453758, 728401, 907516, 1456802, 1815032, 2913604, 3630064, 5827208, 11654416, 13839619, 27679238, 55358476, 110716952, 221433904]

約数ペア:

[(1, 221433904), (2, 110716952), (4, 55358476), (8, 27679238), (16, 13839619), (19, 11654416), (38, 5827208), (61, 3630064), (76, 2913604), (122, 1815032), (152, 1456802), (244, 907516), (304, 728401), (488, 453758), (976, 226879), (1159, 191056), (2318, 95528), (4636, 47764), (9272, 23882), (11941, 18544)]