201751888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{15901}}^1$

素因数の和:15983

約数の個数: 40

約数和(自身を含む): 427891016

約数和(自身を除く): 226139128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 15901, 31802, 63604, 127208, 206713, 254416, 413426, 826852, 969961, 1653704, 1939922, 3307408, 3879844, 7759688, 12609493, 15519376, 25218986, 50437972, 100875944, 201751888]

約数ペア:

[(1, 201751888), (2, 100875944), (4, 50437972), (8, 25218986), (13, 15519376), (16, 12609493), (26, 7759688), (52, 3879844), (61, 3307408), (104, 1939922), (122, 1653704), (208, 969961), (244, 826852), (488, 413426), (793, 254416), (976, 206713), (1586, 127208), (3172, 63604), (6344, 31802), (12688, 15901)]