221005386

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 589006080

約数和(自身を除く): 368000694

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 59, 62, 63, 93, 98, 118, 126, 137, 147, 177, 186, 217, 274, 279, 294, 354, 411, 413, 434, 441, 531, 558, 651, 822, 826, 882, 959, 1062, 1233, 1239, 1302, 1519, 1829, 1918, 1953, 2466, 2478, 2877, 2891, 3038, 3658, 3717, 3906, 4247, 4557, 5487, 5754, 5782, 6713, 7434, 8083, 8494, 8631, 8673, 9114, 10974, 12741, 12803, 13426, 13671, 16166, 16461, 17262, 17346, 20139, 24249, 25482, 25606, 26019, 27342, 29729, 32922, 38223, 38409, 40278, 48498, 52038, 56581, 59458, 60417, 72747, 76446, 76818, 89187, 89621, 113162, 115227, 120834, 145494, 169743, 178374, 179242, 208103, 230454, 250573, 267561, 268863, 339486, 396067, 416206, 501146, 509229, 535122, 537726, 624309, 751719, 792134, 806589, 1018458, 1188201, 1248618, 1503438, 1613178, 1754011, 1872927, 2255157, 2376402, 3508022, 3564603, 3745854, 4510314, 5262033, 7129206, 10524066, 12278077, 15786099, 24556154, 31572198, 36834231, 73668462, 110502693, 221005386]

約数ペア:

[(1, 221005386), (2, 110502693), (3, 73668462), (6, 36834231), (7, 31572198), (9, 24556154), (14, 15786099), (18, 12278077), (21, 10524066), (31, 7129206), (42, 5262033), (49, 4510314), (59, 3745854), (62, 3564603), (63, 3508022), (93, 2376402), (98, 2255157), (118, 1872927), (126, 1754011), (137, 1613178), (147, 1503438), (177, 1248618), (186, 1188201), (217, 1018458), (274, 806589), (279, 792134), (294, 751719), (354, 624309), (411, 537726), (413, 535122), (434, 509229), (441, 501146), (531, 416206), (558, 396067), (651, 339486), (822, 268863), (826, 267561), (882, 250573), (959, 230454), (1062, 208103), (1233, 179242), (1239, 178374), (1302, 169743), (1519, 145494), (1829, 120834), (1918, 115227), (1953, 113162), (2466, 89621), (2478, 89187), (2877, 76818), (2891, 76446), (3038, 72747), (3658, 60417), (3717, 59458), (3906, 56581), (4247, 52038), (4557, 48498), (5487, 40278), (5754, 38409), (5782, 38223), (6713, 32922), (7434, 29729), (8083, 27342), (8494, 26019), (8631, 25606), (8673, 25482), (9114, 24249), (10974, 20139), (12741, 17346), (12803, 17262), (13426, 16461), (13671, 16166)]