247256744

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{20347}}^1$

素因数の和:20398

約数の個数: 48

約数和(自身を含む): 556721280

約数和(自身を除く): 309464536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 1519, 1736, 3038, 6076, 12152, 20347, 40694, 81388, 142429, 162776, 284858, 569716, 630757, 997003, 1139432, 1261514, 1994006, 2523028, 3988012, 4415299, 5046056, 7976024, 8830598, 17661196, 30907093, 35322392, 61814186, 123628372, 247256744]

約数ペア:

[(1, 247256744), (2, 123628372), (4, 61814186), (7, 35322392), (8, 30907093), (14, 17661196), (28, 8830598), (31, 7976024), (49, 5046056), (56, 4415299), (62, 3988012), (98, 2523028), (124, 1994006), (196, 1261514), (217, 1139432), (248, 997003), (392, 630757), (434, 569716), (868, 284858), (1519, 162776), (1736, 142429), (3038, 81388), (6076, 40694), (12152, 20347)]