258239996

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 108

約数和(自身を含む): 576207072

約数和(自身を除く): 317967076

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 49, 68, 94, 97, 98, 119, 188, 194, 196, 238, 289, 329, 388, 476, 578, 658, 679, 799, 833, 1156, 1316, 1358, 1598, 1649, 1666, 2023, 2303, 2716, 3196, 3298, 3332, 4046, 4559, 4606, 4753, 5593, 6596, 8092, 9118, 9212, 9506, 11186, 11543, 13583, 14161, 18236, 19012, 22372, 23086, 27166, 28033, 28322, 31913, 39151, 46172, 54332, 56066, 56644, 63826, 77503, 78302, 80801, 95081, 112132, 127652, 155006, 156604, 161602, 190162, 196231, 223391, 310012, 323204, 380324, 392462, 446782, 542521, 665567, 784924, 893564, 1085042, 1317551, 1331134, 1373617, 2170084, 2635102, 2662268, 2747234, 3797647, 5270204, 5494468, 7595294, 9222857, 15190588, 18445714, 36891428, 64559999, 129119998, 258239996]

約数ペア:

[(1, 258239996), (2, 129119998), (4, 64559999), (7, 36891428), (14, 18445714), (17, 15190588), (28, 9222857), (34, 7595294), (47, 5494468), (49, 5270204), (68, 3797647), (94, 2747234), (97, 2662268), (98, 2635102), (119, 2170084), (188, 1373617), (194, 1331134), (196, 1317551), (238, 1085042), (289, 893564), (329, 784924), (388, 665567), (476, 542521), (578, 446782), (658, 392462), (679, 380324), (799, 323204), (833, 310012), (1156, 223391), (1316, 196231), (1358, 190162), (1598, 161602), (1649, 156604), (1666, 155006), (2023, 127652), (2303, 112132), (2716, 95081), (3196, 80801), (3298, 78302), (3332, 77503), (4046, 63826), (4559, 56644), (4606, 56066), (4753, 54332), (5593, 46172), (6596, 39151), (8092, 31913), (9118, 28322), (9212, 28033), (9506, 27166), (11186, 23086), (11543, 22372), (13583, 19012), (14161, 18236)]