281295798

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 128

約数和(自身を含む): 712212480

約数和(自身を除く): 430916682

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 83, 93, 114, 133, 137, 166, 186, 217, 249, 266, 274, 399, 411, 434, 498, 581, 589, 651, 798, 822, 959, 1162, 1178, 1302, 1577, 1743, 1767, 1918, 2573, 2603, 2877, 3154, 3486, 3534, 4123, 4247, 4731, 5146, 5206, 5754, 7719, 7809, 8246, 8494, 9462, 11039, 11371, 12369, 12741, 15438, 15618, 18011, 18221, 22078, 22742, 24738, 25482, 29729, 33117, 34113, 36022, 36442, 48887, 54033, 54663, 59458, 66234, 68226, 79597, 80693, 89187, 97774, 108066, 109326, 146661, 159194, 161386, 178374, 216049, 238791, 242079, 293322, 342209, 352501, 432098, 477582, 484158, 564851, 648147, 684418, 705002, 1026627, 1057503, 1129702, 1296294, 1512343, 1694553, 2053254, 2115006, 2467507, 3024686, 3389106, 4537029, 4935014, 6697519, 7402521, 9074058, 13395038, 14805042, 20092557, 40185114, 46882633, 93765266, 140647899, 281295798]

約数ペア:

[(1, 281295798), (2, 140647899), (3, 93765266), (6, 46882633), (7, 40185114), (14, 20092557), (19, 14805042), (21, 13395038), (31, 9074058), (38, 7402521), (42, 6697519), (57, 4935014), (62, 4537029), (83, 3389106), (93, 3024686), (114, 2467507), (133, 2115006), (137, 2053254), (166, 1694553), (186, 1512343), (217, 1296294), (249, 1129702), (266, 1057503), (274, 1026627), (399, 705002), (411, 684418), (434, 648147), (498, 564851), (581, 484158), (589, 477582), (651, 432098), (798, 352501), (822, 342209), (959, 293322), (1162, 242079), (1178, 238791), (1302, 216049), (1577, 178374), (1743, 161386), (1767, 159194), (1918, 146661), (2573, 109326), (2603, 108066), (2877, 97774), (3154, 89187), (3486, 80693), (3534, 79597), (4123, 68226), (4247, 66234), (4731, 59458), (5146, 54663), (5206, 54033), (5754, 48887), (7719, 36442), (7809, 36022), (8246, 34113), (8494, 33117), (9462, 29729), (11039, 25482), (11371, 24738), (12369, 22742), (12741, 22078), (15438, 18221), (15618, 18011)]