238077255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 432875520

約数和(自身を除く): 194798265

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 109, 115, 195, 299, 327, 345, 487, 545, 897, 1417, 1461, 1495, 1635, 2435, 2507, 4251, 4485, 6331, 7085, 7305, 7521, 11201, 12535, 18993, 21255, 31655, 32591, 33603, 37605, 53083, 56005, 94965, 97773, 145613, 159249, 162955, 168015, 265415, 436839, 488865, 690079, 728065, 796245, 1220909, 2070237, 2184195, 3450395, 3662727, 6104545, 10351185, 15871817, 18313635, 47615451, 79359085, 238077255]

約数ペア:

[(1, 238077255), (3, 79359085), (5, 47615451), (13, 18313635), (15, 15871817), (23, 10351185), (39, 6104545), (65, 3662727), (69, 3450395), (109, 2184195), (115, 2070237), (195, 1220909), (299, 796245), (327, 728065), (345, 690079), (487, 488865), (545, 436839), (897, 265415), (1417, 168015), (1461, 162955), (1495, 159249), (1635, 145613), (2435, 97773), (2507, 94965), (4251, 56005), (4485, 53083), (6331, 37605), (7085, 33603), (7305, 32591), (7521, 31655), (11201, 21255), (12535, 18993)]