257321064

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10711}}^1$

素因数の和:10751

約数の個数: 128

約数和(自身を含む): 863815680

約数和(自身を除く): 606494616

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 13, 14, 21, 22, 24, 26, 28, 33, 39, 42, 44, 52, 56, 66, 77, 78, 84, 88, 91, 104, 132, 143, 154, 156, 168, 182, 231, 264, 273, 286, 308, 312, 364, 429, 462, 546, 572, 616, 728, 858, 924, 1001, 1092, 1144, 1716, 1848, 2002, 2184, 3003, 3432, 4004, 6006, 8008, 10711, 12012, 21422, 24024, 32133, 42844, 64266, 74977, 85688, 117821, 128532, 139243, 149954, 224931, 235642, 257064, 278486, 299908, 353463, 417729, 449862, 471284, 556972, 599816, 706926, 824747, 835458, 899724, 942568, 974701, 1113944, 1413852, 1531673, 1649494, 1670916, 1799448, 1949402, 2474241, 2827704, 2924103, 3063346, 3298988, 3341832, 3898804, 4595019, 4948482, 5848206, 6126692, 6597976, 7797608, 9190038, 9896964, 10721711, 11696412, 12253384, 18380076, 19793928, 21443422, 23392824, 32165133, 36760152, 42886844, 64330266, 85773688, 128660532, 257321064]

約数ペア:

[(1, 257321064), (2, 128660532), (3, 85773688), (4, 64330266), (6, 42886844), (7, 36760152), (8, 32165133), (11, 23392824), (12, 21443422), (13, 19793928), (14, 18380076), (21, 12253384), (22, 11696412), (24, 10721711), (26, 9896964), (28, 9190038), (33, 7797608), (39, 6597976), (42, 6126692), (44, 5848206), (52, 4948482), (56, 4595019), (66, 3898804), (77, 3341832), (78, 3298988), (84, 3063346), (88, 2924103), (91, 2827704), (104, 2474241), (132, 1949402), (143, 1799448), (154, 1670916), (156, 1649494), (168, 1531673), (182, 1413852), (231, 1113944), (264, 974701), (273, 942568), (286, 899724), (308, 835458), (312, 824747), (364, 706926), (429, 599816), (462, 556972), (546, 471284), (572, 449862), (616, 417729), (728, 353463), (858, 299908), (924, 278486), (1001, 257064), (1092, 235642), (1144, 224931), (1716, 149954), (1848, 139243), (2002, 128532), (2184, 117821), (3003, 85688), (3432, 74977), (4004, 64266), (6006, 42844), (8008, 32133), (10711, 24024), (12012, 21422)]