220778032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7297}}^1$

素因数の和:7397

約数の個数: 40

約数和(自身を含む): 448856192

約数和(自身を除く): 228078160

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7297, 7564, 14594, 15128, 29188, 30256, 58376, 116752, 226207, 445117, 452414, 890234, 904828, 1780468, 1809656, 3560936, 3619312, 7121872, 13798627, 27597254, 55194508, 110389016, 220778032]

約数ペア:

[(1, 220778032), (2, 110389016), (4, 55194508), (8, 27597254), (16, 13798627), (31, 7121872), (61, 3619312), (62, 3560936), (122, 1809656), (124, 1780468), (244, 904828), (248, 890234), (488, 452414), (496, 445117), (976, 226207), (1891, 116752), (3782, 58376), (7297, 30256), (7564, 29188), (14594, 15128)]