261036554

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 449141760

約数和(自身を除く): 188105206

約数列:

[1, 2, 19, 31, 37, 38, 53, 62, 74, 106, 113, 226, 589, 703, 1007, 1147, 1178, 1406, 1643, 1961, 2014, 2147, 2294, 3286, 3503, 3922, 4181, 4294, 5989, 7006, 8362, 11978, 21793, 31217, 37259, 43586, 60791, 62434, 66557, 74518, 79439, 113791, 121582, 129611, 133114, 158878, 185659, 221593, 227582, 259222, 371318, 443186, 1155029, 2310058, 2462609, 3527521, 4210267, 4925218, 6869383, 7055042, 8420534, 13738766, 130518277, 261036554]

約数ペア:

[(1, 261036554), (2, 130518277), (19, 13738766), (31, 8420534), (37, 7055042), (38, 6869383), (53, 4925218), (62, 4210267), (74, 3527521), (106, 2462609), (113, 2310058), (226, 1155029), (589, 443186), (703, 371318), (1007, 259222), (1147, 227582), (1178, 221593), (1406, 185659), (1643, 158878), (1961, 133114), (2014, 129611), (2147, 121582), (2294, 113791), (3286, 79439), (3503, 74518), (3922, 66557), (4181, 62434), (4294, 60791), (5989, 43586), (7006, 37259), (8362, 31217), (11978, 21793)]