256040694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:499

約数の個数: 144

約数和(自身を含む): 722266272

約数和(自身を除く): 466225578

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 38, 39, 42, 57, 63, 78, 91, 114, 117, 126, 133, 171, 182, 234, 247, 266, 273, 342, 361, 399, 433, 494, 546, 722, 741, 798, 819, 866, 1083, 1197, 1299, 1482, 1638, 1729, 2166, 2223, 2394, 2527, 2598, 3031, 3249, 3458, 3897, 4446, 4693, 5054, 5187, 5629, 6062, 6498, 7581, 7794, 8227, 9093, 9386, 10374, 11258, 14079, 15162, 15561, 16454, 16887, 18186, 22743, 24681, 27279, 28158, 31122, 32851, 33774, 39403, 42237, 45486, 49362, 50661, 54558, 57589, 65702, 74043, 78806, 84474, 98553, 101322, 106951, 115178, 118209, 148086, 156313, 172767, 197106, 213902, 236418, 295659, 312626, 320853, 345534, 354627, 468939, 518301, 591318, 641706, 709254, 748657, 937878, 962559, 1036602, 1094191, 1406817, 1497314, 1925118, 2032069, 2188382, 2245971, 2813634, 3282573, 4064138, 4491942, 6096207, 6565146, 6737913, 9847719, 12192414, 13475826, 14224483, 18288621, 19695438, 28448966, 36577242, 42673449, 85346898, 128020347, 256040694]

約数ペア:

[(1, 256040694), (2, 128020347), (3, 85346898), (6, 42673449), (7, 36577242), (9, 28448966), (13, 19695438), (14, 18288621), (18, 14224483), (19, 13475826), (21, 12192414), (26, 9847719), (38, 6737913), (39, 6565146), (42, 6096207), (57, 4491942), (63, 4064138), (78, 3282573), (91, 2813634), (114, 2245971), (117, 2188382), (126, 2032069), (133, 1925118), (171, 1497314), (182, 1406817), (234, 1094191), (247, 1036602), (266, 962559), (273, 937878), (342, 748657), (361, 709254), (399, 641706), (433, 591318), (494, 518301), (546, 468939), (722, 354627), (741, 345534), (798, 320853), (819, 312626), (866, 295659), (1083, 236418), (1197, 213902), (1299, 197106), (1482, 172767), (1638, 156313), (1729, 148086), (2166, 118209), (2223, 115178), (2394, 106951), (2527, 101322), (2598, 98553), (3031, 84474), (3249, 78806), (3458, 74043), (3897, 65702), (4446, 57589), (4693, 54558), (5054, 50661), (5187, 49362), (5629, 45486), (6062, 42237), (6498, 39403), (7581, 33774), (7794, 32851), (8227, 31122), (9093, 28158), (9386, 27279), (10374, 24681), (11258, 22743), (14079, 18186), (15162, 16887), (15561, 16454)]