256905012

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{18097}}^1$

素因数の和:18137

約数の個数: 72

約数和(自身を含む): 741873216

約数和(自身を除く): 484968204

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 2028, 2366, 3549, 4732, 7098, 14196, 18097, 36194, 54291, 72388, 108582, 126679, 217164, 235261, 253358, 380037, 470522, 506716, 705783, 760074, 941044, 1411566, 1520148, 1646827, 2823132, 3058393, 3293654, 4940481, 6116786, 6587308, 9175179, 9880962, 12233572, 18350358, 19761924, 21408751, 36700716, 42817502, 64226253, 85635004, 128452506, 256905012]

約数ペア:

[(1, 256905012), (2, 128452506), (3, 85635004), (4, 64226253), (6, 42817502), (7, 36700716), (12, 21408751), (13, 19761924), (14, 18350358), (21, 12233572), (26, 9880962), (28, 9175179), (39, 6587308), (42, 6116786), (52, 4940481), (78, 3293654), (84, 3058393), (91, 2823132), (156, 1646827), (169, 1520148), (182, 1411566), (273, 941044), (338, 760074), (364, 705783), (507, 506716), (546, 470522), (676, 380037), (1014, 253358), (1092, 235261), (1183, 217164), (2028, 126679), (2366, 108582), (3549, 72388), (4732, 54291), (7098, 36194), (14196, 18097)]