28581318

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 71165952

約数和(自身を除く): 42584634

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 31, 34, 46, 51, 62, 69, 93, 102, 131, 138, 153, 186, 207, 262, 279, 306, 391, 393, 414, 527, 558, 713, 782, 786, 1054, 1173, 1179, 1426, 1581, 2139, 2227, 2346, 2358, 3013, 3162, 3519, 4061, 4278, 4454, 4743, 6026, 6417, 6681, 7038, 8122, 9039, 9486, 12121, 12183, 12834, 13362, 18078, 20043, 24242, 24366, 27117, 36363, 36549, 40086, 51221, 54234, 69037, 72726, 73098, 93403, 102442, 109089, 138074, 153663, 186806, 207111, 218178, 280209, 307326, 414222, 460989, 560418, 621333, 840627, 921978, 1242666, 1587851, 1681254, 3175702, 4763553, 9527106, 14290659, 28581318]

約数ペア:

[(1, 28581318), (2, 14290659), (3, 9527106), (6, 4763553), (9, 3175702), (17, 1681254), (18, 1587851), (23, 1242666), (31, 921978), (34, 840627), (46, 621333), (51, 560418), (62, 460989), (69, 414222), (93, 307326), (102, 280209), (131, 218178), (138, 207111), (153, 186806), (186, 153663), (207, 138074), (262, 109089), (279, 102442), (306, 93403), (391, 73098), (393, 72726), (414, 69037), (527, 54234), (558, 51221), (713, 40086), (782, 36549), (786, 36363), (1054, 27117), (1173, 24366), (1179, 24242), (1426, 20043), (1581, 18078), (2139, 13362), (2227, 12834), (2346, 12183), (2358, 12121), (3013, 9486), (3162, 9039), (3519, 8122), (4061, 7038), (4278, 6681), (4454, 6417), (4743, 6026)]